Arkema France

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C07C 21/18 - Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine 114
C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof 114
C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids 105
C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa 83
B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides 72
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1.

AZEOTROPIC OR QUASI-AZEOTROPIC COMPOSITION COMPRISING HCL AND FLUORINATED HYDROCARBONS

      
Application Number EP2026050205
Publication Number 2026/149946
Status In Force
Filing Date 2026-01-07
Publication Date 2026-07-16
Owner ARKEMA FRANCE (France)
Inventor
  • Cambrodon, Alexandre
  • Baba-Ahmed, Abdelatif

Abstract

The present invention relates to an azeotropic or quasi-azeotropic composition comprising HCl and at least one fluorinated hydrocarbon selected from the group consisting of 1,1-difluoroethylene, trifluoroethylene and tetrafluoroethylene.

IPC Classes  ?

  • C07C 17/383 - SeparationPurificationStabilisationUse of additives by distillation
  • C07C 21/18 - Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
  • C07C 17/38 - SeparationPurificationStabilisationUse of additives

2.

METHOD FOR PURIFYING TRIFLUOROETHYLENE, COMPOSITION COMPRISING SAME, AND USE THEREOF

      
Application Number EP2025088871
Publication Number 2026/146069
Status In Force
Filing Date 2025-12-23
Publication Date 2026-07-09
Owner ARKEMA FRANCE (France)
Inventor
  • Domingues Dos Santos, Fabrice
  • Cambrodon, Alexandre
  • Lavy, Cédric
  • Hisler, Kevin

Abstract

The present invention relates to a method for purifying trifluoroethylene. The present invention also relates to a trifluoroethylene composition and to the use thereof as etching gas.

3.

METHOD FOR MANUFACTURING A MULTILAYER FLUID STORAGE TANK

      
Application Number EP2025088989
Publication Number 2026/146098
Status In Force
Filing Date 2025-12-24
Publication Date 2026-07-09
Owner
  • ARKEMA FRANCE (France)
  • COVESS (Belgium)
Inventor
  • Babeau, Arthur
  • Hochstetter, Gilles
  • Salinier, Axel
  • Savart, Thibaut
  • De Clippeleir, Johan
  • Vanswijgenhoven, Tony

Abstract

The invention relates to a method for preparing a multilayer fluid storage tank, comprising the steps of: • i. heating at least one impregnated fibrous material (3) comprising continuous fibres impregnated with at least one thermoplastic composition comprising at least one thermoplastic polymer, by means of a first infrared heating system (1) or by contact with heating rollers (2) (also called heating tension rollers), to a temperature that is greater than or equal to the melting temperature or the glass transition temperature of the thermoplastic polymer, depending on whether the polymer is semi-crystalline or amorphous, • ii. passing the impregnated fibrous material heated on one or more tension rollers therethrough at a tension measured at the outlet of the last tension roller of between 0.08 and 42 N/mm of impregnated fibrous material, preferably between 0.4 and 12.5 N/mm, more preferably between 1.7 and 12.5 N/mm, yet more preferably between 4 and 12.5 N/mm; • iii. depositing one or more layers of the impregnated fibrous material obtained in step (ii) on a substrate (4).

IPC Classes  ?

  • B29C 70/32 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
  • B29B 15/12 - Coating or impregnating of reinforcements of indefinite length
  • B29C 70/86 - Incorporating in coherent impregnated reinforcing layers

4.

USE OF POWDER FOR COATING A SUBSTRATE WITH A POWDER COATING METHOD, AND POWDER COATING METHODS

      
Application Number FR2025051221
Publication Number 2026/146266
Status In Force
Filing Date 2025-12-22
Publication Date 2026-07-09
Owner ARKEMA FRANCE (France)
Inventor
  • Paul, Clément
  • David, Romain

Abstract

The invention relates to a use of a powder for coating a substrate with a powder coating method, said powder comprising particles consisting of a composition C based on one or more polymers, said composition C comprising at least one polyaryletherketone and having the following features: a melt flow index at 380°C under a load of 5 kg that is greater than or equal to 1.5 and less than or equal to 20 cm3// 10 min; and a rate of crystallization evaluated by an enthalpy of fusion measured by differential scanning calorimetry on second heating according to the thermal cycle indicated in the description, of strictly greater than 0 J/g and less than or equal to 30.0 J/g. The invention also relates to a method for powder coating a substrate, and to a coated substrate.

IPC Classes  ?

  • C08L 71/00 - Compositions of polyethers obtained by reactions forming an ether link in the main chainCompositions of derivatives of such polymers
  • C08L 71/10 - Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
  • C09D 5/03 - Powdery paints
  • C09D 171/00 - Coating compositions based on polyethers obtained by reactions forming an ether link in the main chainCoating compositions based on derivatives of such polymers
  • C09D 171/10 - Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols

5.

COMPOSITION COMPRISING AN AQUEOUS POLYMER DISPERSION AND A HYDRAULIC BINDER

      
Application Number EP2025088556
Publication Number 2026/139422
Status In Force
Filing Date 2025-12-19
Publication Date 2026-07-02
Owner ARKEMA FRANCE (France)
Inventor
  • Miozzo, Luciano
  • Lugli, Mario
  • Premoli, Andrea
  • Perino, Luca
  • Amadei, Umberto

Abstract

The present invention relates to a composition comprising A) an aqueous polymer dispersion; and B) a hydraulic binder. It further relates to a process for obtaining the composition and its use in the manufacture of a coating, an adhesive, a mortar, a putty or a sealant, in particular a waterproofing cementitious coating having low tackiness and high impermeability to water.

IPC Classes  ?

  • C04B 14/06 - QuartzSand
  • C04B 24/26 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
  • C08F 2/24 - Emulsion polymerisation with the aid of emulsifying agents
  • C09D 133/08 - Homopolymers or copolymers of acrylic acid esters
  • C08F 6/00 - Post-polymerisation treatments

6.

SELF-CROSSLINKING RESIN FOR COATING A METALLIC SUBSTRATE

      
Application Number EP2025088848
Publication Number 2026/139536
Status In Force
Filing Date 2025-12-23
Publication Date 2026-07-02
Owner ARKEMA FRANCE (France)
Inventor
  • Hamel, Jean-Yves
  • Moriere, Franck
  • Camara, Fatoumata
  • Satz, Benoît

Abstract

The present invention relates to a metal coil coated with a coating obtained by crosslinking a coating composition based on a self-crosslinking resin formed by copolymerization of specific acrylic monomers. The invention also relates to a self-crosslinking resin formed by copolymerization of specific acrylic monomers, as well as a coating composition comprising said resin and a solvent.

IPC Classes  ?

  • C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
  • B05D 7/14 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
  • C08F 212/08 - Styrene
  • C08F 220/10 - Esters
  • C08F 220/54 - Amides
  • C09D 133/26 - Homopolymers or copolymers of acrylamide or methacrylamide
  • C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
  • C08F 220/58 - Amides containing oxygen in addition to the carbonamido oxygen
  • C08L 33/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofCompositions of derivatives of such polymers

7.

POST-POLYMERIZATION TREATMENT FOR THE REDUCTION OF RESDIUAL MONOMERS

      
Application Number EP2025088575
Publication Number 2026/139425
Status In Force
Filing Date 2025-12-19
Publication Date 2026-07-02
Owner ARKEMA FRANCE (France)
Inventor
  • Miozzo, Luciano
  • Lugli, Mario
  • Premoli, Andrea
  • Perino, Luca
  • Amadei, Umberto

Abstract

The present invention relates to a process for preparing an aqueous polymer dispersion with a specific post-polymerization treatment step. It further relates to an aqueous polymer dispersion and its use as a binder for a coating, a non-woven or woven substrate, an adhesive, a mortar, a putty or a sealant, in particular a waterproofing cementitious coating having low tackiness and high impermeability to water.

IPC Classes  ?

8.

BENZOPHENONE PHOTOINITIATORS

      
Application Number EP2025088785
Publication Number 2026/139502
Status In Force
Filing Date 2025-12-22
Publication Date 2026-07-02
Owner ARKEMA FRANCE (France)
Inventor
  • Sehnal, Petr
  • Squires, Kelly
  • Plenderleith, Richard

Abstract

The present invention relates to a redshifted benzophenone photoinitiator, to a process for preparing said photoinitiator. The present invention further relates to a photoinitiator composition, to a curable composition, to a process for the preparation of a cured product, to a process of inkjet printing, to a process of 3D printing and to a process for coating a nail. The invention also relates to the use of the photoinitiator or the photoinitiator composition.

IPC Classes  ?

  • C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
  • C07C 323/22 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and doubly-bound oxygen atoms bound to the same carbon skeleton
  • C07C 323/62 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton
  • C08F 222/10 - Esters

9.

FLUOROPOLYMER FOR SECONDARY BATTERIES

      
Application Number EP2025087630
Publication Number 2026/131993
Status In Force
Filing Date 2025-12-17
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Fukuyama, Takehiro
  • Marchal, Lauréline
  • Lai, Hiu Woon
  • Lin, Caiping
  • Ricou, Pierre

Abstract

The present invention relates to binder composition for use in the preparation of components for electrochemical devices comprising at least one fluoropolymer P1 having a peak height ratio R = [I1/I2]*100 ranging from 2% to 14% wherein I1 is the peak height measured at 4.928 Å +/- 0.055 Å and I2 is the peak height measured at 5.216 Å +/- 0.062 Å, by wide-angle X-ray scattering.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 50/426 - Fluorocarbon polymers
  • H01G 11/52 - Separators
  • H01G 11/38 - Carbon pastes or blendsBinders or additives therein

10.

FLUOROPOLYMER FOR SECONDARY BATTERIES

      
Application Number EP2025087632
Publication Number 2026/131994
Status In Force
Filing Date 2025-12-17
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Fukuyama, Takehiro
  • Bowker, Jason
  • Marchal, Lauréline
  • Lai, Hui Woon

Abstract

The present invention relates to binder composition for use in the preparation of components for electrochemical devices comprising at least one fluoropolymer P1 having a peak to valley ratio greater than or equal to 0.80, said peak to valley ratio being calculated by dividing the maximum peak height Sp by maximum depth Sv obtained through atomic force microscopy measurement.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 50/426 - Fluorocarbon polymers
  • H01G 11/38 - Carbon pastes or blendsBinders or additives therein

11.

METHOD FOR PRODUCING A PARTICULATE SEMI-CRYSTALLINE POLYAMIDE FOR 3D PRINTING

      
Application Number EP2025087762
Publication Number 2026/132073
Status In Force
Filing Date 2025-12-17
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Cammage, Geoffroy
  • Mathieu, Cyrille
  • Brule, Benoît

Abstract

The invention relates to a method for treating a particulate semi-crystalline polyamide comprising a step of contacting an initial particulate semi-crystalline polyamide with water and at least one acid to obtain a mixture; a first step of heating the mixture to a first temperature T1 greater than or equal to Tc - 20°C, Tc representing the crystallization temperature of the initial polyamide, then a second step of heating the mixture to a second temperature T2 greater than the first temperature T1, T2 being lower than Tf, Tf being the melting temperature of the particulate semi-crystalline polyamide at the end of the first heating step, and a step of collecting the treated particulate semi-crystalline polyamide.

IPC Classes  ?

  • C08G 69/14 - Lactams
  • B33Y 40/10 - Pre-treatment
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • C08J 3/12 - Powdering or granulating
  • C08J 11/06 - Recovery or working-up of waste materials of polymers without chemical reactions
  • B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
  • C08J 3/14 - Powdering or granulating by precipitation from solutions
  • C08G 69/46 - Post-polymerisation treatment
  • B29B 13/02 - Conditioning or physical treatment of the material to be shaped by heating

12.

STABLE (METH)ACRYLIC COMPOSITION, METHOD FOR PRODUCING SAID COMPOSITION AND USES THEREOF

      
Application Number EP2025088252
Publication Number 2026/132359
Status In Force
Filing Date 2025-12-18
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Gerard, Pierre
  • Escale, Pierre

Abstract

The present invention relates to a (meth)acrylic composition, a process for preparing the (meth)acrylic composition and uses of such a (meth)acrylic composition. In particular the present invention relates to a (meth)acrylic composition with increased pot-life, a process for preparing the (meth)acrylic composition and uses of such a (meth)acrylic composition. The invention also relates also to a (meth)acrylic polymeric composite material, comprising or made of a (meth)acrylic composition with increased pot-life, a method for preparing such (meth)acrylic composite material comprising or made of a (meth)acrylic composition with increased pot-life and an object comprising such (meth)acrylic polymeric composite material comprising or made of a (meth)acrylic composition with increased pot-life.

IPC Classes  ?

  • C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
  • C08J 3/205 - Compounding polymers with additives, e.g. colouring in the presence of a liquid phase
  • C08J 5/04 - Reinforcing macromolecular compounds with loose or coherent fibrous material

13.

FUNCTIONALIZED SULFUR COMPOUNDS AS REPLACEMENT AGENTS FOR GUANIDINES IN RUBBER

      
Application Number EP2025088299
Publication Number 2026/132386
Status In Force
Filing Date 2025-12-19
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Paybou, Clara
  • Fourmy, Kévin
  • Lec, Jean-Christophe
  • Saint-Louis-Augustin, Pascal

Abstract

The present invention relates to a rubber composition comprising at least one sulfur compound, in particular as a replacement agent for a guanidine compound. The present invention also relates to a process for vulcanizing such a rubber composition, as well as articles comprising said vulcanized composition, including tires. Finally, the present invention relates to the use of a sulfur compound as a replacement agent for a guanidine compound.

IPC Classes  ?

  • B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
  • C08L 9/06 - Copolymers with styrene
  • B29D 30/06 - Pneumatic tyres or parts thereof

14.

COMPOSITION OF COPOLYMER HAVING POLYAMIDE BLOCKS AND POLYETHER BLOCKS AND EXPANDABLE MICROSPHERES

      
Application Number EP2025088617
Publication Number 2026/132579
Status In Force
Filing Date 2025-12-19
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • David, Romain
  • Testud, Blandine
  • Ma, Yiyuan
  • Prenveille, Thomas

Abstract

The invention relates to a composition comprising at least one copolymer comprising polyamide blocks and polyether blocks having a number average molecular weight of from 20 000 to 100 000 g/mol, preferably from 25 000 to 80 000 g/mol and wherein the mass ratio of the polyamide blocks relative to the polyether blocks of the copolymer is more than 1; from 0.1 to 6.0 % by weight of expandable microspheres, based on the total weight of the composition; optionally at least one UV stabilizer and/or UV absorber; and optionally at least one additional thermoplastic polymer. The invention also relates to a method for preparing such a composition, to an expanded composition obtainable from such a composition and to a method for producing said expanded composition.

IPC Classes  ?

  • C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
  • C08K 7/22 - Expanded, porous or hollow particles
  • C08G 69/40 - Polyamides containing oxygen in the form of ether groups
  • C08J 9/32 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof from compositions containing microballoons, e.g. syntactic foams

15.

COMPOSITION OF POLYAMIDE AND EXPANDABLE MICROSPHERES

      
Application Number EP2025088635
Publication Number 2026/132588
Status In Force
Filing Date 2025-12-19
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • David, Romain
  • Testud, Blandine
  • Ma, Yiyuan
  • Prenveille, Thomas

Abstract

The invention relates to a composition comprising at least one thermoplastic polyamide, wherein the average carbon content of the repeating units of said at least one thermoplastic polyamide is greater than or equal to 7; from 0.1 to 6.0 % by weight of expandable microspheres, based on the total weight of the composition; and optionally at least one additional thermoplastic polymer; wherein the composition has a melt flow index lower than or equal to 150 g/10 min. The invention also relates to a method for preparing such a composition, to an expanded composition obtainable from such a composition and to a method for producing said expanded composition.

IPC Classes  ?

  • C08J 9/16 - Making expandable particles
  • C08J 9/32 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof from compositions containing microballoons, e.g. syntactic foams
  • C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof

16.

WATER BASED COMPOSTABLE LAMINATING ADHESIVE

      
Application Number EP2025088643
Publication Number 2026/132595
Status In Force
Filing Date 2025-12-19
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Lee, Byoungchul
  • Karis, Ashlynn
  • Harju, Josh
  • Puthanparambil, Deepa

Abstract

A method of adhering substrate surfaces to one another comprises applying a laminating adhesive to one of the surfaces and contacting the surfaces with one another. The laminating adhesive may be food grade compliant and compostable. The laminating adhesive comprises a blend of a sulfonated copolyester dispersion and a water soluble crosslinker, preferably the water soluble crosslinker comprises at least one of a polyfunctional isocyanate having a functionality of at least about 2.0, preferably at least about 2.2, more preferably at least about 2.5, further preferably more than about 2.7, even further preferably at least about 2.9 and most preferably at least about 3.0, a polyfunctional epoxy having a functionality of at least about 2.0, preferably at least about 2.2, more preferably at least about 2.5, further preferably more than about 2.7, even further preferably at least about 2.9 and most preferably at least about 3.0 and combinations thereof.

IPC Classes  ?

  • B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
  • C08G 18/08 - Processes
  • B32B 23/00 - Layered products essentially comprising cellulosic plastic substances
  • B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
  • C08G 63/688 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing sulfur
  • C09J 175/06 - Polyurethanes from polyesters
  • C09J 167/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
  • C08G 63/91 - Polymers modified by chemical after-treatment

17.

(METH)ACRYLIC MULTI PART COMPOSITION, METHOD FOR PRODUCING SAID COMPOSITION AND USES THEREOF

      
Application Number EP2025088647
Publication Number 2026/132596
Status In Force
Filing Date 2025-12-20
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Gerard, Pierre
  • Escale, Pierre

Abstract

The present invention relates to a (meth)acrylic composition, a process for preparing the (meth)acrylic composition and uses of such a (meth)acrylic composition. In particular the present invention relates to a (meth)acrylic composition comprising several parts, a process for preparing the (meth)acrylic composition and uses of such a (meth)acrylic composition. The invention also relates also to a (meth)acrylic polymeric composite material, made of a (meth)acrylic composition comprising several parts, a method for preparing such (meth)acrylic composite material made of a (meth)acrylic composition comprising several parts and an object comprising such a (meth)acrylic polymeric composite material made of a (meth)acrylic composition comprising several parts.

IPC Classes  ?

  • C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
  • C08J 3/205 - Compounding polymers with additives, e.g. colouring in the presence of a liquid phase
  • C08J 5/04 - Reinforcing macromolecular compounds with loose or coherent fibrous material
  • C08K 5/07 - AldehydesKetones

18.

POLYMER COMPOSITIONS BASED ON POLY(ETHER KETONE KETONE) AND THERMOPLASTIC POLYIMIDE WITH A HIGH GLASS TRANSITION TEMPERATURE

      
Application Number FR2025051144
Publication Number 2026/132707
Status In Force
Filing Date 2025-12-09
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Chauvet, Anouk
  • Auffret, Nadine
  • Brule, Benoît
  • Paul, Clément
  • Recoquille, Christelle

Abstract

The invention relates to a composition comprising: a poly(ether ketone ketone), PEKK1; a thermoplastic polyimide having a glass transition temperature greater than or equal to 230°C, TPI; and optionally, a poly(aryl ether ketone), PAEK, PAEK being distinct from PEKK1. PEKK1 represents at least 50% by weight, relative to the total weight of PEKK1, TPI and, where applicable, PAEK, of the composition. PAEK is necessarily present when the TPI content is greater than or equal to 20% by weight, and preferably when the TPI content is greater than or equal to 15% by weight, relative to the total weight of PEKK1 and TPI of the composition.

IPC Classes  ?

  • C08L 71/10 - Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
  • C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors

19.

USE OF AN ADSORBENT MATERIAL COMPRISING AT LEAST TWO PARTICULAR ZEOLITES FOR THE TREATMENT OF WATER

      
Application Number FR2025051163
Publication Number 2026/132715
Status In Force
Filing Date 2025-12-12
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Ortiz, Guillaume
  • El Hayek, Elsy
  • Bouvier, Ludivine
  • Lutz, Cécile

Abstract

The present invention relates to the use of an adsorbent material for the treatment of water, said adsorbent material comprising: A) at least one zeolite chosen from LTA-type zeolites and FAU-type zeolites having an Si/Al molar ratio of between 1 and 3, endpoints included; B) at least one zeolite chosen from FAU-type zeolites having an Si/Al molar ratio of between 3 and 30, endpoints excluded, MFI-type zeolites and *BEA-type zeolites; and C) at least one agglomeration binder. The invention also relates to the method for the treatment of water using said adsorbent material.

IPC Classes  ?

  • B01J 20/06 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group
  • B01J 20/14 - Diatomaceous earth
  • B01J 20/18 - Synthetic zeolitic molecular sieves
  • B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
  • B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
  • C02F 1/28 - Treatment of water, waste water, or sewage by sorption

20.

CATHODE BINDERS FOR A SODIUM-ION BATTERY

      
Application Number EP2025087277
Publication Number 2026/131759
Status In Force
Filing Date 2025-12-16
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Schmidt, Grégory
  • Uguen, Nicolas

Abstract

The present invention relates to an electrode composition comprising at least one binder and at least one active material for the preparation of a sodium-ion battery electrode.

IPC Classes  ?

  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 10/054 - Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium

21.

METHOD FOR RECYCLING A PARTICULATE SEMICRYSTALLINE POLYAMIDE

      
Application Number EP2025087771
Publication Number 2026/132079
Status In Force
Filing Date 2025-12-17
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Morfin, Alexis
  • Cammage, Geoffroy

Abstract

The invention relates to a method for recycling a particulate semicrystalline polyamide, wherein the initial particulate semicrystalline polyamide has already been used in a layer-by-layer printing process, the method comprising: a step of bringing the initial particulate semicrystalline polyamide into contact with water and at least one acid, a step of heating the initial particulate semicrystalline polyamide to a temperature higher than Tc - 20°C and lower than Tm, Tc denoting the crystallization temperature of the initial particulate semicrystalline polyamide and Tm being the melting temperature of the initial particulate semicrystalline polyamide, and a step of collecting the treated particulate semicrystalline polyamide, wherein the treated particulate semicrystalline polyamide has an inherent viscosity lower than the inherent viscosity of the initial particulate semicrystalline polyamide.

IPC Classes  ?

  • C08G 69/14 - Lactams
  • B33Y 40/10 - Pre-treatment
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • C08J 3/12 - Powdering or granulating
  • C08J 11/06 - Recovery or working-up of waste materials of polymers without chemical reactions
  • B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
  • C08J 3/14 - Powdering or granulating by precipitation from solutions

22.

DIAMIDES OBTAINED FROM PROPIONIC ACID AND USES THEREOF AS THIXOTROPIC AGENTS

      
Application Number EP2025087898
Publication Number 2026/132170
Status In Force
Filing Date 2025-12-18
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Fouilliart, Carine
  • Bouzard, Orlane
  • Harlay, Emilie
  • Baron, Thibaut
  • Leroy, Vincent

Abstract

The invention relates to a diamide that can be used as a thixotropic agent and that is based on 12-hydroxystearic acid and propionic acid in combination with at least two particular diamines. The invention also relates to a composition comprising this diamide and at least one crosslinkable organic binder, as well as to the uses of this diamide or of this composition, in particular in the manufacture of a coating, selected in particular from among paints, varnishes, inks, and gelled coatings ("gel coats"); a glue or an adhesive; a mastic; a sealing agent; a chemical sealing agent; a molded object; an object obtained by 3D printing; preferably a coating or a mastic, more preferably a mastic.

IPC Classes  ?

  • C09D 5/34 - Filling pastes
  • C07C 231/02 - Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
  • C07C 233/35 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by amino groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom
  • C08K 5/20 - Carboxylic acid amides
  • C09D 7/44 - Combinations of two or more thickening agents
  • C09J 11/06 - Non-macromolecular additives organic

23.

TRANSLUCENT POLYAMIDE COMPOSITION

      
Application Number EP2025087987
Publication Number 2026/132224
Status In Force
Filing Date 2025-12-18
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Ma, Yiyuan
  • Prenveille, Thomas

Abstract

A translucent polyamide composition The present invention relates to a translucent composition comprising : a) From 55 to 97.99% by weight, based on the total weight of the composition, of a semi-crystalline polyamide matrix comprising : - 45 to 99% by weight of a polyamide A based on the total weight of the matrix, wherein the C/N ratio of the polyamide A is greater than 6.5 - 1 to 55% by weight of a polyamide B based on the total weight of the polyamide matrix, wherein the C/N ratio of the polyamide B is greater than 6.5; polyamides A and B have a linear aliphac structure, and polyamides A and B have, in absolute value, at least one difference in C/N raos equal to | C/N ratio (A) - C/N ratio (B)| ≤ 3, the polyamide A comprising at least 45 mol of at least one unit comprising a number of carbon atoms between the amide functional groups including the carbonyl of the amide denoted C1, the polyamide B comprising at least 30 mol% of at least one unit comprising a number of carbon atoms between the amide functions including the carbonyl of the amide denoted C2, with at least one of the equaons IC1-C2| ≤ 3 being fulfilled, if the polyamides A and B each comprise more than one C1 and/or more than one C2; b) from 2 to 25% by weight, preferably from 3 to 20%,based on the total weight of the composition, of short glass fibers; c) from 0.01 to 20% by weight, based on the total weight of the composition, of acid modified polymer impact modifier comprising three or more blocks of polyamide.

IPC Classes  ?

  • C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
  • C08G 69/14 - Lactams
  • C08G 69/40 - Polyamides containing oxygen in the form of ether groups

24.

TRANSLUCENT POLYAMIDE COMPOSITION

      
Application Number EP2025087989
Publication Number 2026/132225
Status In Force
Filing Date 2025-12-18
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Ma, Yiyuan
  • Prenveille, Thomas

Abstract

The present invention relates to a translucent composition comprising : a) From 55 to 97.99% by weight, based on the total weight of the composition, of a semi-crystalline polyamide matrix comprising : - 45 to 99% by weight of a polyamide A based on the total weight of the matrix, wherein the C/N ratio of the polyamide A is greater than 6.5 - 1 to 55% by weight of a polyamide B based on the total weight of the polyamide matrix, wherein the C/N ratio of the polyamide B is greater than 6.5; the polyamide A and the polyamide B have a linear aliphatic structure, polyamides A and B have, in absolute value, at least one difference in C/N ratios equal to | C/N ratio (A) - C/N ratio (B)| ≤ 3, the polyamide A comprising at least 45 mol of at least one unit comprising a number of carbon atoms between the amide functional groups including the carbonyl of the amide denoted C1, the polyamide B comprising at least 30 mol% of at least one unit comprising a number of carbon atoms between the amide functions including the carbonyl of the amide denoted C2, with at least one of the equations IC1-C2| ≤ 3 being fulfilled, if the polyamides A and B each comprise more than one C1 and/or more than one C2; b) from 2 to 25% by weight, preferably from 3 to 20%,based on the total weight of the composition, of short glass fibers; c) from 0.01 to 20% by weight, based on the total weight of the composition, of acid modified polymer impact modifier comprising three or more blocks of polyamide.

IPC Classes  ?

  • C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
  • C08G 69/14 - Lactams

25.

TRANSLUCENT POLYAMIDE COMPOSITION

      
Application Number EP2025087994
Publication Number 2026/132227
Status In Force
Filing Date 2025-12-18
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Ma, Yiyuan
  • Prenveille, Thomas

Abstract

The present invention relates to a translucent composition comprising : a) From 60 to 98% by weight, based on the total weight of the composition, of a semi-crystalline polyamide matrix comprising : - 45 to 99% by weight of a polyamide A based on the total weight of the matrix, wherein the C/N ratio of the polyamide A is greater than 6.5 - 1 to 55% by weight of a polyamide B based on the total weight of the polyamide matrix, wherein the C/N ratio of the polyamide A is greater than 6.5; the polyamide A and the polyamide B have a linear aliphatic structure, and polyamides A and B have, in absolute value, at least one difference in C/N ratios equal to | C/N ratio (A) - C/N ratio (B) | ≤ 3, the polyamide A comprising at least 45 mol of at least one unit comprising a number of carbon atoms between the amide functional groups including the carbonyl of the amide denoted Cl, the polyamide B comprising at least 30 mol% of at least one unit comprising a number of carbon atoms between the amide functions including the carbonyl of the amide denoted C2, with at least one of the equations IC1-C2I ≤ 3 being fulfilled, if the polyamides A and B each comprise more than one C1 and/or more than one C2; b) from 2 to 25% by weight, preferably from 3 to 20%, based on the total weight of the composition, of short glass fibers chosen among : - E glass fiber based on the total weight of the glass fiber; - NE glass fiber based on the total weight of the glass fiber; and their mixtures.

IPC Classes  ?

  • C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
  • C08G 69/14 - Lactams
  • C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
  • C08G 69/40 - Polyamides containing oxygen in the form of ether groups

26.

COMPOSITION FOR MANUFACTURING A THREE-DIMENSIONAL OBJECT BY EXTRUSION BLOW MOLDING

      
Application Number EP2025088239
Publication Number 2026/132352
Status In Force
Filing Date 2025-12-18
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Marcourt, Marjorie
  • Cayzac, Henri-Alexandre
  • Prenveille, Thomas

Abstract

The present invention relates to a composition for manufacturing a three-dimensional object for transporting, distributing or storing gas, by extrusion blow molding, comprising from 70 to 99.49% by weight of at least one polyamide having a number of carbon atoms per nitrogen atom greater than or equal to 6.5; from 0.50% to 25% of at least one functional polyolefin having a glass transition temperature Tg of less than -25°C; from 0.01 to 5% by weight of at least one additive, the composition having a melt viscosity greater than 40 000 Pa.s. The present invention also relates to a method for preparing the composition and to the use of the composition for manufacturing a three-dimensional object. The present invention also relates to a method for preparing the three-dimensional object. The present invention also relates to the three-dimensional object manufactured by extrusion blow molding, as well as to the three-dimensional object comprising a sealing layer.

IPC Classes  ?

  • B29C 49/04 - Extrusion blow-moulding
  • C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
  • C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids

27.

DETECTION DEVICE HAVING ELECTROACTIVE TRANSDUCERS AND ASSOCIATED DETECTION ASSEMBLY

      
Application Number EP2025088316
Publication Number 2026/132393
Status In Force
Filing Date 2025-12-19
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor Pruvost, Mickaël

Abstract

The invention relates to a detection device comprising: a flexible substrate (20) comprising a first surface (30) and a second surface opposite the first surface; a plurality of transducers (21, 22) attached to the substrate; and a plurality of electrical tracks (23, 24) extending over the substrate. Each transducer has: an electroactive polymer film (50); and a first and a second electrode (54) that are stacked on either side of the film. Each of the first and second electrodes of the corresponding transducer (21, 22) has a conductive layer in contact respectively with a first face and a second face (66) of the film.

IPC Classes  ?

  • G01L 1/16 - Measuring force or stress, in general using properties of piezoelectric devices
  • G01L 1/18 - Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
  • G01N 29/14 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
  • G01N 29/24 - Probes

28.

USE OF PAEK(S) AS ADDITIVE IN A COATING COMPOSITION AND COATING COMPOSITION THEREOF

      
Application Number EP2025088533
Publication Number 2026/132531
Status In Force
Filing Date 2025-12-19
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Eckel, Zak
  • Rodriguez-Marin, Silvia

Abstract

The invention concerns a coating composition comprising at least one resin, said at least one resin not being a polyaryletherketone; and, at least one polyaryletherketone; wherein the at least one polyaryletherketone represents from 0,0015% to 15,0% by weight of the total weight of the at least one resin and the at least one polyaryletherketone. The invention also targets specific uses of polyaryletherketone as an additive in a coating composition.

IPC Classes  ?

  • C08G 65/40 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols and other compounds
  • C08L 71/12 - Polyphenylene oxides

29.

LIQUID (METH)ACRYLIC COMPOSITION, METHOD FOR PRODUCING SAID COMPOSITION AND USES THEREOF

      
Application Number EP2025088637
Publication Number 2026/132590
Status In Force
Filing Date 2025-12-19
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor Gerard, Pierre

Abstract

The present invention relates to a (meth)acrylic composition, a process for preparing the (meth)acrylic composition and uses of such a (meth)acrylic composition. In particular the present invention relates to a (meth)acrylic composition comprising an odour masking agent, a process for preparing the (meth)acrylic composition and uses of such a (meth)acrylic composition. The invention also relates also to a (meth)acrylic polymeric composite material, comprising or made of a (meth)acrylic composition comprising said odour masking agent, a method for preparing such (meth)acrylic composite material comprising or made of a (meth)acrylic composition comprising odour masking agent and an object comprising such (meth)acrylic polymeric composite material comprising or made of a (meth)acrylic composition comprising odour masking agent.

IPC Classes  ?

  • C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
  • C08J 5/04 - Reinforcing macromolecular compounds with loose or coherent fibrous material
  • C08K 5/07 - AldehydesKetones

30.

VERSATILE ADSORBENT MATERIAL

      
Application Number FR2025051166
Publication Number 2026/132716
Status In Force
Filing Date 2025-12-12
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Bouvier, Ludivine
  • Ortiz, Guillaume
  • El Hayek, Elsy
  • Lutz, Cécile

Abstract

The present invention relates to a versatile adsorbent material comprising at least one LTA or FAU zeolite, having a Si/Al molar ratio of between 1 and 3 inclusive, at least one FAU zeolite having a Si/Al molar ratio of between 3 and 30 non-inclusive, or MFI or *BEA zeolite, and at least one agglomeration binder. The invention further relates to the uses of the adsorbent material for the treatment and/or purification of liquid or gaseous flows.

IPC Classes  ?

  • B01J 20/08 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising aluminium oxide or hydroxideSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group comprising bauxite
  • B01J 20/10 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
  • B01J 20/14 - Diatomaceous earth
  • B01J 20/18 - Synthetic zeolitic molecular sieves
  • B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
  • B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
  • B01D 15/08 - Selective adsorption, e.g. chromatography
  • B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
  • B01D 53/26 - Drying gases or vapours
  • C02F 1/28 - Treatment of water, waste water, or sewage by sorption

31.

PROCESS FOR TREATING A CONTAMINATED GAS USING AT LEAST ONE ZEOLITE ADSORBENT MATERIAL

      
Application Number FR2025051167
Publication Number 2026/132717
Status In Force
Filing Date 2025-12-12
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • El Hayek, Elsy
  • Ortiz, Guillaume
  • Bouvier, Ludivine
  • Lutz, Cécile

Abstract

The present invention relates to the use of an adsorbent material for the treatment of gases, said adsorbent material comprising: A) at least one zeolite chosen from LTA zeolites and FAU zeolites with an Si/Al molar ratio of between 1 and 3, limits included; B) at least one zeolite chosen from FAU zeolites with an Si/Al molar ratio of between 3 and 30, limits excluded, MFI zeolites and *BEA zeolites; and C) at least one agglomeration binder. The invention also relates to the process for treating gases using said adsorbent material.

IPC Classes  ?

  • B01J 20/06 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group
  • B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
  • B01J 20/14 - Diatomaceous earth
  • B01J 20/18 - Synthetic zeolitic molecular sieves
  • B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
  • B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties

32.

GAS DRYING METHOD

      
Application Number FR2025051169
Publication Number 2026/132718
Status In Force
Filing Date 2025-12-12
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Ravon, Ugo
  • Lutz, Cécile
  • Soulier, Frédéric
  • Stain, Jonathan

Abstract

The present invention relates to a method for drying a wet matrix by temperature swing adsorption (TSA), characterized in that it comprises at least one step of bringing the matrix into contact with an adsorbent comprising at least one zeolite having a micropore size strictly greater than 0.4 nm and less than 0.75 nm, an Si/Al atomic ratio of between 1.4 and 20, and an accessible volume, measured by water adsorption, strictly greater than 5% and strictly less than 35%. The invention also relates to the use of said method for drying a wet, liquid or gaseous organic matrix.

IPC Classes  ?

  • B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
  • B01D 53/26 - Drying gases or vapours

33.

REMOVAL OF IMPURITIES WITHIN AN ORGANIC PEROXIDE

      
Application Number FR2025051172
Publication Number 2026/132721
Status In Force
Filing Date 2025-12-15
Publication Date 2026-06-25
Owner ARKEMA FRANCE (France)
Inventor
  • Disson, Jean-Pierre
  • Hub, Serge
  • Sprick, Elodie
  • Lutz, Cécile
  • Bouvier, Ludivine
  • Van Hemelryck, Bruno

Abstract

The present invention relates to the use of a zeolitic adsorbent material for purifying organic peroxides, and more particularly for removing impurities present in these organic peroxide compositions.

IPC Classes  ?

  • C07C 407/00 - Preparation of peroxy compounds
  • C07C 409/16 - Peroxy compounds the —O—O— group being bound between two carbon atoms not further substituted by oxygen atoms, i.e. peroxides
  • C07C 409/18 - Peroxy compounds the —O—O— group being bound between two carbon atoms not further substituted by oxygen atoms, i.e. peroxides at least one of the carbon atoms belonging to a ring other than a six-membered aromatic ring
  • C07C 409/38 - Peroxy compounds the —O—O— group being bound between a C=O group and a carbon atom, not further substituted by oxygen atoms, i.e. esters of peroxy acids

34.

POLYAMIDE COMPOSITION SUITABLE FOR 3D PRINTING BY POWDER SINTERING

      
Application Number EP2025085617
Publication Number 2026/125167
Status In Force
Filing Date 2025-12-05
Publication Date 2026-06-18
Owner ARKEMA FRANCE (France)
Inventor
  • Morfin, Alexis
  • Durand, Jean-Charles

Abstract

The present invention relates to a powder composition suitable for 3D printing by sintering, comprising: (a) at least one linear aliphatic polyamide, (b) from 0 to 3500 ppm by weight of phosphoric acid, (c) from 500 to 2000 ppm by weight of at least one compound selected from hypophosphorous acid, its salts and mixtures thereof, and (d) at least one chain limiter. The invention also relates to a process for preparing this preparation, and also to a process for manufacturing an article by 3D printing comprising sintering this powder composition using electromagnetic radiation, preferably by laser or by applying infrared radiation to the powder previously selectively coated with one or more inks, and to the resulting article.

IPC Classes  ?

  • B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
  • B33Y 80/00 - Products made by additive manufacturing
  • C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
  • C08K 3/32 - Phosphorus-containing compounds
  • C08K 5/09 - Carboxylic acidsMetal salts thereofAnhydrides thereof
  • C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
  • C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids
  • B33Y 70/00 - Materials specially adapted for additive manufacturing

35.

ALKYD EMULSION NEUTRALIZED BY POTASSIUM SALTS

      
Application Number EP2025085932
Publication Number 2026/125279
Status In Force
Filing Date 2025-12-08
Publication Date 2026-06-18
Owner ARKEMA FRANCE (France)
Inventor
  • Riondel, Alain
  • Kurczak, Michael
  • Vermeersch, Lucie
  • Delmas, Grégory
  • Lefevre, Frédéric

Abstract

The present invention relates to an alkyd emulsion comprising an alkyd resin neutralized by potassium salts and a surfactant component comprising a saturated sulfated surfactant. The invention also covers a process for preparing the alkyd emulsion and the use thereof to obtain a coating, in particular a decorative or industrial coating.

IPC Classes  ?

  • C08L 67/08 - Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids

36.

CURABLE EPOXY-BASED COATINGS ON SUBSTRATES USING A POLYTHIOL

      
Application Number EP2025086702
Publication Number 2026/125644
Status In Force
Filing Date 2025-12-11
Publication Date 2026-06-18
Owner ARKEMA FRANCE (France)
Inventor
  • Park, Sangwoo
  • Skowron, Pierre-Thomas
  • Adams, Caroline

Abstract

The present disclosure describes a multilayer coating comprising (I) a substrate, (II) an epoxy-based primer layer, and (III) an optionally but preferably pigmented acrylic topcoat layer, wherein the epoxy-based primer layer (II) is made by curing a curable composition comprising: (a) an epoxy-containing compound that is at least partially aromatic and is at least 90% difunctional, based on the total weight of all epoxy-containing compounds; (b) a substantially ester-free curing agent comprising a polythiol having at least three sulfhydryl moieties and comprising a cyclic isocyanurate ring structure containing 3 nitrogen atoms and 3 carbon atoms, with at least 2 of the three ring nitrogens having a pendant group containing from 2 to 8 carbon atoms and a sulfhydryl moiety; and (c) a curing enhancement catalyst. Methods of making the multilayer coatings are described herein, as well as desirable characteristics of the layers and/or the multilayer coating.

IPC Classes  ?

  • C08G 59/66 - Mercaptans
  • C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used
  • C09D 163/00 - Coating compositions based on epoxy resinsCoating compositions based on derivatives of epoxy resins

37.

PROCESS FOR RECYCLING A THERMOPLASTIC ELASTOMER POWDER FOR 3D PRINTING

      
Application Number EP2025085804
Publication Number 2026/125212
Status In Force
Filing Date 2025-12-08
Publication Date 2026-06-18
Owner ARKEMA FRANCE (France)
Inventor
  • Morfin, Alexis
  • Ster, Hervé
  • Feteira Escudeiro, Ana Rita

Abstract

The present patent application relates to a powder sintering 3D printing process, comprising a step of shearing treatment of the unsintered powder, with a view to enabling it to be recycled. It also relates to the use of a mixer equipped with an agitator comprising at least one blade rotated at a speed of at least 100 rpm and/or at a blade tip speed of at least 10 m/s, at a temperature of less than 50°C, to improve the recyclability of a powder composition comprising at least one thermoplastic elastomer in a sintering 3D printing process.

IPC Classes  ?

  • B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
  • B29C 64/357 - Recycling
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 30/00 - Apparatus for additive manufacturingDetails thereof or accessories therefor
  • B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
  • B29B 7/10 - MixingKneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
  • B29B 7/72 - Measuring, controlling or regulating
  • B29B 9/00 - Making granules
  • B29B 13/00 - Conditioning or physical treatment of the material to be shaped

38.

AQUEOUS POLYMER DISPERSION FOR THE CHEMICAL BONDING OF FIBROUS SUBSTRATES

      
Application Number EP2025085933
Publication Number 2026/125280
Status In Force
Filing Date 2025-12-08
Publication Date 2026-06-18
Owner ARKEMA FRANCE (France)
Inventor
  • Finetti, Filippo
  • Lugli, Mario
  • Premoli, Andrea
  • Perino, Luca
  • Piccinini, Maria Chiara

Abstract

The present invention relates to a non-ionic aqueous polymer dispersion and its use in the manufacture of chemically bonded fibrous substrates, in particular of chemically bonded non- woven glass fiber substrates.

IPC Classes  ?

  • C08F 2/30 - Emulsion polymerisation with the aid of emulsifying agents non-ionic
  • D04H 1/4218 - Glass fibres
  • D04H 1/587 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
  • D04H 1/64 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions

39.

CURABLE COMPOSITION COMPRISING A POLYTHIOL

      
Application Number EP2025086523
Publication Number 2026/125566
Status In Force
Filing Date 2025-12-11
Publication Date 2026-06-18
Owner ARKEMA FRANCE (France)
Inventor
  • Park, Sangwoo
  • Skowron, Pierre-Thomas
  • Jullian, Nicolas

Abstract

The present disclosure describes a curable composition comprising: (a) an epoxy-containing compound; (b) a polythiol curing agent comprising at least three sulfhydryl moieties, wherein the polythiol comprises a cyclic (hetero)carbonaceous ring structure containing 0 to 4 nitrogen atoms and from 3 to 15 carbon atoms, optionally substituted by from one to four pendant groups containing from 1 to 4 carbon atoms and optionally containing at least one of the sulfhydryl moieties; and (c) a curing enhancement catalyst, wherein the curable composition typically comprises a molar ratio of epoxy moieties to sulfhydryl moieties from about 0.95:1 to about 2.0:1. In some embodiments, at least three of the sulfhydryl moieties in the polythiol curing agent are secondary thiol groups, and/or the polythiol curing agent may comprise no nitrogen or oxygen atoms. Kits comprising the curable composition, as well as desirable characteristics of a cured composition are also described herein.

IPC Classes  ?

  • C08G 59/66 - Mercaptans
  • C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used
  • C09J 163/00 - Adhesives based on epoxy resinsAdhesives based on derivatives of epoxy resins

40.

CURABLE COMPOSITION COMPRISING A POLYTHIOL

      
Application Number EP2025086575
Publication Number 2026/125586
Status In Force
Filing Date 2025-12-11
Publication Date 2026-06-18
Owner ARKEMA FRANCE (France)
Inventor
  • Skowron, Pierre-Thomas
  • Jullian, Nicolas
  • Demoulin, Kévin

Abstract

144 alkyl groups and b) a component comprising one or more ethylenically unsaturated compounds. The invention also relates to a method of making cured compositions, comprising curing the curable composition, and their use for adhesives, inks, 3D printing materials, sealants, coatings, photosensible materials, composites, among other potential applications.

IPC Classes  ?

  • C08G 59/66 - Mercaptans
  • C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used
  • C09J 163/00 - Adhesives based on epoxy resinsAdhesives based on derivatives of epoxy resins
  • C08G 75/02 - Polythioethers
  • C08G 75/045 - Polythioethers from mercapto compounds or metallic derivatives thereof from mercapto compounds and unsaturated compounds
  • C08L 81/02 - PolythioethersPolythioether-ethers
  • C09D 181/02 - PolythioethersPolythioether-ethers
  • C09J 181/02 - PolythioethersPolythioether-ethers

41.

WATER BASED POLYURETHANE DISPERSION FOR SOFT TOUCH MATTE COATING

      
Application Number EP2025086730
Publication Number 2026/125659
Status In Force
Filing Date 2025-12-11
Publication Date 2026-06-18
Owner ARKEMA FRANCE (France)
Inventor
  • Zhu, Peiwang
  • Zamora, Ray
  • Renschler, Alexandra
  • Steed, Jared
  • Puthanparambil, Deepa
  • Johnson, Randy

Abstract

A water based polyurethane dispersion is included herein. The dispersion includes a polymer, the polymer comprising the reaction product of (i). a prepolymer, preferably an isocyanate terminated polyurethane prepolymer, and (ii) an amine compound and/or inorganic base compound in an aqueous based medium. The prepolymer comprises the reaction product of (i) an isocyanate compound having a functionality of at least about 1.8, preferably the isocyanate compound comprises a non-aromatic isocyanate or an aromatic isocyanate; and (ii) a plurality of polyols. The plurality of polyols includes at least a 1st polyol having a hydroxyl functionality of more than about 2.5, and a 2nd polyol having at least one of a carboxylic acid moiety, a phosphoric acid moiety, or a sulfonic acid moiety or any combination thereof. Also enclosed are methods of making the dispersion, applications for the dispersion, and methods of making the applications of the dispersion.

IPC Classes  ?

  • C08G 18/08 - Processes
  • C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
  • C08G 18/48 - Polyethers
  • C08G 18/66 - Compounds of groups , , or
  • C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
  • C09D 175/00 - Coating compositions based on polyureas or polyurethanesCoating compositions based on derivatives of such polymers
  • B32B 33/00 - Layered products characterised by particular properties or particular surface features, e.g. particular surface coatingsLayered products designed for particular purposes not covered by another single class

42.

COMPOSITIONS OF ACID AND ANHYDRIDE COPOLYMERS

      
Application Number FR2025051082
Publication Number 2026/115215
Status In Force
Filing Date 2025-11-20
Publication Date 2026-06-04
Owner ARKEMA FRANCE (France)
Inventor
  • Brocas, Anne-Laure
  • Merceron, Amélie
  • Bonnaventure, Marc
  • Bonneville, Pierre-Etienne

Abstract

The present invention relates to compositions comprising acrylic and methacrylic copolymers, these copolymers comprising methyl methacrylate, methacrylic acid and acrylic acid, the mass proportions of methyl methacrylate/(meth)acrylic acid being in the region of 50/50 and some of the acid functions possibly being anhydridized. The present invention also relates to the methods for obtaining these copolymers and to the use of these copolymers.

IPC Classes  ?

43.

IMPROVED PROCESS FOR MANUFACTURING ALKYL (METH)ACRYLATE

      
Application Number EP2025083411
Publication Number 2026/109514
Status In Force
Filing Date 2025-11-18
Publication Date 2026-05-28
Owner ARKEMA FRANCE (France)
Inventor
  • Elie, Margaux
  • Tretjak, Serge
  • Chouffeur, Serge

Abstract

The present invention relates to the manufacturing of alkyl (meth)acrylate by transesterification catalysed by one or more chemical species that precipitate upon contact with water. More specifically, it relates to an improved process for manufacturing alkyl (meth)acrylate, leading to a high yield of a product that meets purity standards, and comprising a step of reusing the heavy by-products generated during this manufacture owing to a step of thermal and catalytic cracking, generating recycled reagents in the process as well as methane and mineral salts obtained by hydrothermal gasification of this cracking residue alone, mixed with the residues of other alkyl esters or with alcohols.

IPC Classes  ?

  • C07C 67/03 - Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
  • C07C 67/54 - SeparationPurificationStabilisationUse of additives by change in the physical state, e.g. crystallisation by distillation
  • C07C 69/54 - Acrylic acid estersMethacrylic acid esters
  • C07C 213/08 - Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions not involving the formation of amino groups, hydroxy groups or etherified or esterified hydroxy groups
  • C07C 219/08 - Compounds containing amino and esterified hydroxy groups bound to the same carbon skeleton having esterified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having at least one of the hydroxy groups esterified by a carboxylic acid having the esterifying carboxyl group bound to an acyclic carbon atom of an acyclic unsaturated carbon skeleton

44.

USE OF A CATALYST COMPRISING A BIMETALLIC COMPOUND AND A PROMOTER FOR THE PRODUCTION OF METHYL MERCAPTAN

      
Application Number FR2025051074
Publication Number 2026/109855
Status In Force
Filing Date 2025-11-19
Publication Date 2026-05-28
Owner
  • ARKEMA FRANCE (France)
  • CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
  • UNIVERSITÉ DE LILLE (France)
  • CENTRALE LILLE INSTITUT (France)
  • UNIVERSITÉ D'ARTOIS (France)
Inventor
  • Salembier, Hélori
  • Fremy, Georges
  • Montroussier, Nicolas
  • Lancelot, Christine
  • Blanchard, Pascal
  • Lamonier, Carole

Abstract

The present invention relates to the use of at least one catalyst comprising at least one Mo-W bimetallic compound and at least one promoter for the production of methyl mercaptan.

IPC Classes  ?

45.

COMPOSITION, ITS PROCESS OF POLYMERIZATION, ITS USE, AN OBJECT OBTAINED FOLLOWING POLYMERIZATION OF COMPOSITION AND RECYCLING

      
Application Number EP2025083493
Publication Number 2026/109551
Status In Force
Filing Date 2025-11-19
Publication Date 2026-05-28
Owner ARKEMA FRANCE (France)
Inventor
  • Escale, Pierre
  • Valloir, Nicolas
  • Maledant, Romane

Abstract

The present invention relates to a composition for preparing polymers comprising a precursor or a prepolymer for thermosetting polymers. In particular the present invention relates to a recyclable composition comprising a thermoset polymer, its process of polymerization, and an object obtained, as well as a recycling process. The present invention also relates to a process for manufacturing thermoplastic composites, mechanical parts or structural elements made of composite material and to mechanical parts or structural elements made of composite material obtained via the process using such a composition comprising a precursor or a prepolymer for thermosetting polymers and a process for recycling.

IPC Classes  ?

  • C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
  • C08L 33/12 - Homopolymers or copolymers of methyl methacrylate
  • C08L 67/06 - Unsaturated polyesters

46.

POLYAMIDE-BASED MULTILAYER STRUCTURE USABLE AS A CARD

      
Application Number EP2025083890
Publication Number 2026/109732
Status In Force
Filing Date 2025-11-21
Publication Date 2026-05-28
Owner ARKEMA FRANCE (France)
Inventor
  • Rainglet, Benoit
  • Dang, Patrick
  • Burkat, Gregory
  • Quinebeche, Sébastien

Abstract

The present invention relates to a multilayer structure comprising: - an outer layer; - a binder layer; - an intermediate layer; - a binder layer; - a central layer; - a binder layer; - an intermediate layer; - a binder layer; - an outer layer, the compositions making up the outer layers, the intermediate layers and the central layer consisting of a composition comprising a polyamide matrix and having a melting point higher than 150°C, preferably higher than 160°C, and the binder layers consisting of a composition comprising a reactive functional polyolefin. The invention also relates to a method for manufacturing the structure, and to the use thereof as a card containing data.

IPC Classes  ?

  • B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
  • B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
  • B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
  • B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
  • B32B 37/04 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer

47.

COMPOSITION FOR A POLYAMIDE-BASED MULTILAYER STRUCTURE USABLE AS A CARD

      
Application Number EP2025083916
Publication Number 2026/109748
Status In Force
Filing Date 2025-11-21
Publication Date 2026-05-28
Owner ARKEMA FRANCE (France)
Inventor
  • Rainglet, Benoit
  • Dang, Patrick
  • Burkat, Gregory
  • Quinebeche, Sébastien
  • Brule, Benoît

Abstract

The present invention relates to a composition comprising a polyamide matrix predominantly comprising at least one polyamide having a C/N ratio greater than or equal to 8 and from 5 to 20 wt% of a reinforcing filler having a form factor of between 2 and 9. The invention also relates to a method for preparing a film from this composition. The invention also relates to a structure which can be used as a card comprising data, such as a card for securing an electronic identity, a bank card, an identity card, a smart card, a card for controlling access to a space, such as a building, a room, an entrance airlock, an elevator, or an area, such as a storage space like a cupboard, a drawer, or a safe, and a card for controlling networks and computers.

IPC Classes  ?

  • B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
  • B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
  • B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
  • B32B 3/08 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
  • B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
  • B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
  • B32B 27/22 - Layered products essentially comprising synthetic resin characterised by the use of special additives using plasticisers
  • B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
  • B32B 37/04 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer

48.

PROCESS FOR PREPARING METHYL MERCAPTAN

      
Application Number FR2025051073
Publication Number 2026/109854
Status In Force
Filing Date 2025-11-19
Publication Date 2026-05-28
Owner ARKEMA FRANCE (France)
Inventor
  • Salembier, Hélori
  • Fremy, Georges

Abstract

The present invention relates to a process for preparing methyl mercaptan, comprising the specific steps a) to h).

IPC Classes  ?

  • C07C 319/02 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols
  • C07C 319/28 - SeparationPurification
  • C07C 321/04 - Thiols having mercapto groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
  • B01J 23/28 - Molybdenum

49.

ADHESIVE COMPOSITION AND LAMINATE WITH SAME

      
Application Number CN2024132003
Publication Number 2026/102651
Status In Force
Filing Date 2024-11-14
Publication Date 2026-05-21
Owner ARKEMA FRANCE (France)
Inventor
  • Guo, Yinzhong
  • Li Pi Shan, Colin
  • Lyu, Bo

Abstract

The present disclose provides an adhesive composition. In an embodiment, the adhesive composition includes (A) an isocyanate component that is an isocyanate prepolymer. The isocyanate prepolymer (A) includes (i) an isocyanate monomer, (ii) a polyester polyol, (iii) a polyether polyol, and (iv) a polyhydroxy tertiary amine. The adhesive composition also includes (B) an isocyanate-reactive component. The isocyanate-reactive component (B) includes (i) a diol, (ii) an aromatic dicarboxylic acid, (iii) an aliphatic dicarboxylic acid, and (iv) a polyhydroxy tertiary amine. The present disclosure also provides a laminate structure with the adhesive composition.

IPC Classes  ?

  • A43B 13/00 - SolesSole-and-heel integral units
  • C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
  • C08G 18/32 - Polyhydroxy compoundsPolyaminesHydroxy amines
  • C08G 18/40 - High-molecular-weight compounds
  • C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
  • C08G 18/48 - Polyethers
  • C08G 18/66 - Compounds of groups , , or
  • C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
  • C09J 175/04 - Polyurethanes
  • C09J 175/06 - Polyurethanes from polyesters
  • C09J 175/08 - Polyurethanes from polyethers

50.

COMPOSITION IN POWDER FORM BASED ON FLUORINATED POLYMER

      
Application Number EP2025081863
Publication Number 2026/099214
Status In Force
Filing Date 2025-11-04
Publication Date 2026-05-15
Owner ARKEMA FRANCE (France)
Inventor
  • Beaume, François
  • Fang, Mingyuan
  • Peterson, Brian
  • Cheung, Patricia

Abstract

The present invention relates to a composition, preferably in powder form, comprising a polymer P1 comprising recurring units derived from vinylidene fluoride and recurring units derived from a monomer M1 selected from the group consisting of vinylidene fluoride, hexafluoropropene, tetrafluoroethylene, chlorotrifluoroethylene, vinyl fluoride, pentafluoropropene, tetrafluoropropene, trifluoroethylene, 1,2- difluoroethylene and perfluoroalkyle vinyl ethers, perfluoro(1,3-dioxole), perfluoro(2,2-dimethyl-1,3- dioxole) (PDD), a monomer of formula CF2=CFOCF2CF(CF3)OCF2CF2X wherein X is SO2F, CO2H, CH2OH, CH2OCN or CH2OPO3H; a monomer of formula CF2=CFOCF2CF2SO2F; a monomer of formula F(CF2)nCH2OCF=CF2 wherein n is 1, 2, 3, 4 or 5; a monomer of formula R1CH2OCF=CF2 wherein R1 is hydrogen atom or F(CF2)m and m is 1, 2, 3 or 4; a monomer of formula R2OCF=CH2 wherein R2 is F(CF2)p et p is 1, 2, 3 or 4; perfluorobutylethylene (PFBE); trifluoropropene, hexafluoroisobutylene, perfluorobutylethylene, bromotrifluoroethylene, chlorofluoroethylene, chlorotrifluoropropene and 2- trifluorométhyl-3,3,3-trifluoro-1-propene or mixture thereof; characterized in that the particles of said polymer P1 have a Dv99 size distribution lower than 89 microns and a Dv10 size distribution greater than 1.5 microns and in that said polymer P1 has a melting temperature Tm greater than 163.04 – 1.9628*x; wherein x is the weight content of said fluorinated monomer M1 expressed as percent based on the total weight of said polymer P1; the melting temperature being measured by DSC according to the ASTM E794- 06 (2018) standard test method.

IPC Classes  ?

51.

FOOTWEAR ASSEMBLY METHOD USING THERMOPLASTIC COPOLYAMIDES AS ADHESIVE

      
Application Number EP2025082335
Publication Number 2026/099454
Status In Force
Filing Date 2025-11-07
Publication Date 2026-05-15
Owner ARKEMA FRANCE (France)
Inventor
  • Pineau, Quentin
  • Dang, Patrick
  • Mougnier, Sébastien Jun

Abstract

abb (formula I) wherein: A is at least one from among: (i) an alpha,omega-aminocarboxylic acid; (ii) a lactam; and X is at least one aliphatic diamine with 2 to 14 carbon atoms, a polyether or a polyetheramine comprising ether groups comprising 2 to 4 carbon atoms; Y is at least one aliphatic dicarboxylic acid with 6 to 22 carbon atoms; a is an integer from 1 to 3, in particular 1 or 2; and b is an integer from 1 to 3, in particular 1 or 2; said copolyamide having: • a melting temperature Tm of between 80°C and 150°C, • a melt volume-flow rate of 100 to 300 [mL/10 min] at 160°C under 2.16 kg, as measured according to the ISO 1133 standard, - an enthalpy of crystallization of less than 5 J/g, as measured according to the ISO 307 standard by DSC on cooling at 20K/min, and - an enthalpy of fusion of at least 5 J/g, as measured according to the ISO 307 standard by DSC on heating at 20K/min, for the assembly of articles by hot spraying.

IPC Classes  ?

  • C08G 69/36 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines, and polycarboxylic acids
  • B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
  • B32B 27/40 - Layered products essentially comprising synthetic resin comprising polyurethanes
  • C08G 69/40 - Polyamides containing oxygen in the form of ether groups
  • C09J 177/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
  • C09J 177/06 - Polyamides derived from polyamines and polycarboxylic acids

52.

FOOTWEAR ASSEMBLY METHOD USING THERMOPLASTIC COPOLYAMIDES AS ADHESIVE

      
Application Number EP2025082345
Publication Number 2026/099458
Status In Force
Filing Date 2025-11-07
Publication Date 2026-05-15
Owner ARKEMA FRANCE (France)
Inventor
  • Pineau, Quentin
  • Dang, Patrick
  • Mougnier, Sébastien Jun

Abstract

abb wherein: A is at least one from among: (i) an alpha,omega-aminocarboxylic acid; (ii) a lactam; and X is at least one aliphatic diamine with 2 to 14 carbon atoms, a polyether or a polyetheramine comprising ether groups comprising 2 to 4 carbon atoms; Y is at least one aliphatic dicarboxylic acid with 6 to 22 carbon atoms; a is an integer from 1 to 3, in particular 1 or 2; and b is an integer from 1 to 3, in particular 1 or 2; said copolyamide having: o a melting temperature Tm of between 80°C and 150°C, o a melt volume-flow rate of 10 to 60 [mL/10 min] at 160°C under 2.16 kg, as measured according to the ISO 1133 standard, and also o an enthalpy of fusion of at least 30 J/g, as measured according to the ISO 307 standard by DSC on cooling at 20K/min, for the assembly of articles by hot spraying.

IPC Classes  ?

  • C08G 69/36 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines, and polycarboxylic acids
  • B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
  • B32B 27/40 - Layered products essentially comprising synthetic resin comprising polyurethanes
  • C08G 69/40 - Polyamides containing oxygen in the form of ether groups
  • C09J 177/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
  • C09J 177/12 - Polyester-amides

53.

LIQUID COMPOSITION FOR FILAMENT WINDING, ITS PROCESS OF POLYMERIZATION, USE AND OBJECT OBTAINED FOLLOWING POLYMERIZATION OF COMPOSITION

      
Application Number EP2025082359
Publication Number 2026/099464
Status In Force
Filing Date 2025-11-07
Publication Date 2026-05-15
Owner ARKEMA FRANCE (France)
Inventor
  • Escale, Pierre
  • Hauck, Alexandre

Abstract

The present invention relates to a liquid composition for filament winding comprising a monomer, a (meth)acrylic polymer and at least an initiator. In particular the present invention relates to a liquid composition for filament winding comprising a monomer, a (meth)acrylic polymer and at least one initiator or two initiators that have a different half life time, its process of polymerization, a system for the process of polymerization and an object obtained. The present invention also relates to a process for manufacturing thermoplastic composites, mechanical parts or structural elements made of composite material and to mechanical parts or structural elements made of composite material obtained via the process using such a liquid composition. The thermoplastic composite is a hollow body, and more preferably an axisymmetric hollow body.

IPC Classes  ?

  • C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
  • C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
  • B29C 70/00 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
  • B29C 70/32 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
  • B29B 15/12 - Coating or impregnating of reinforcements of indefinite length

54.

CURABLE POLYESTER USEFUL IN COATINGS, INKS AND ADHESIVES

      
Application Number EP2025081036
Publication Number 2026/093247
Status In Force
Filing Date 2025-10-27
Publication Date 2026-05-07
Owner ARKEMA FRANCE (France)
Inventor
  • Mcgrail, Brendan
  • Irick, Nicholas

Abstract

This invention relates to polyester compounds and compositions comprising such polyester compounds. The invention also relates to their use in formulations for coatings, inks and adhesives, as well as in solvent-resistant encapsulant formulations, such as coatings for batteries.

IPC Classes  ?

  • C08F 290/06 - Polymers provided for in subclass
  • C08G 63/47 - Polyesters chemically modified by esterification by unsaturated monocarboxylic acids or unsaturated monohydric alcohols or reactive derivatives thereof
  • C08G 63/692 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing phosphorus
  • C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chainCoating compositions based on derivatives of such polymers

55.

CURABLE COMPOSITION COMPRISING POLYESTERS

      
Application Number EP2025081038
Publication Number 2026/093248
Status In Force
Filing Date 2025-10-27
Publication Date 2026-05-07
Owner ARKEMA FRANCE (France)
Inventor
  • Biria, Saeid
  • Li, Ling
  • Mcgrail, Brendan
  • Irick, Nicholas

Abstract

This invention relates to curable and compositions comprising polyester compounds. The invention also relates to their use for coatings, inks and adhesives, as well as in solvent-resistant encapsulant formulations, such as coatings for batteries.

IPC Classes  ?

  • C08F 290/06 - Polymers provided for in subclass
  • C08G 63/47 - Polyesters chemically modified by esterification by unsaturated monocarboxylic acids or unsaturated monohydric alcohols or reactive derivatives thereof
  • C08G 63/692 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing phosphorus

56.

P(VDF-TRFE-VC) POLYMER AND METHOD FOR OBTAINING SAME

      
Application Number FR2025051007
Publication Number 2026/093687
Status In Force
Filing Date 2025-10-30
Publication Date 2026-05-07
Owner ARKEMA FRANCE (France)
Inventor
  • Khayat, Raymond
  • Lannuzel, Thierry
  • Domingues Dos Santos, Fabrice

Abstract

The invention relates to a method for manufacturing a P(VDF-TrFE-VC) polymer and to the polymers obtained.

IPC Classes  ?

  • C08F 2/20 - Suspension polymerisation with the aid of macromolecular dispersing agents
  • C08F 214/22 - Vinylidene fluoride

57.

ELECTROCALORIC POLYMER-BASED MULTILAYER ELEMENT

      
Application Number EP2025080408
Publication Number 2026/087545
Status In Force
Filing Date 2025-10-21
Publication Date 2026-04-30
Owner
  • ARKEMA FRANCE (France)
  • LUXEMBOURG INSTITUTE OF SCIENCE AND TECHNOLOGY (LIST) (Luxembourg)
Inventor
  • Defay, Emmanuel
  • Prah, Uros
  • Kovacova, Veronika
  • Domingues Dos Santos, Fabrice

Abstract

The invention relates to an electrocaloric multilayer element (10) comprising a stack of layers along a transverse direction (11), said stack of layers comprising a first outermost polymer layer (15, 22, 32) and a second outermost polymer layer (16, 23, 33) at opposite ends of the stack and, between the first outermost polymer layer (15, 22, 32) and second outermost polymer (16, 23, 33), a plurality of electrocaloric polymer layers (12) and a plurality of electrode layers (13).

IPC Classes  ?

  • H10N 15/10 - Thermoelectric devices using thermal change of the dielectric constant, e.g. working above and below the Curie point

58.

METHOD FOR PURIFYING (METH)ACRYLIC ACID, INCLUDING OPTIMIZED EFFLUENT TREATMENT

      
Application Number EP2025078794
Publication Number 2026/082492
Status In Force
Filing Date 2025-10-07
Publication Date 2026-04-23
Owner ARKEMA FRANCE (France)
Inventor
  • Tretjak, Serge
  • Afi, Emna
  • Sahari, Asma
  • Souet, Arnaud

Abstract

The present invention relates to the production of (meth)acrylic acid in a method for recovering (meth)acrylic acid based on the implementation of two separation steps. More particularly, the invention relates to combustion treatment in an oxidation reactor of the effluents from the first separation step, followed by partial condensation, partial recycling of the gases leaving the oxidizer upstream thereof, and purging of these carbon dioxide-rich gases, which can easily be recovered.

IPC Classes  ?

  • C07C 51/25 - Preparation of carboxylic acids or their salts, halides, or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
  • C07C 57/04 - Acrylic acidMethacrylic acid
  • C07C 51/42 - SeparationPurificationStabilisationUse of additives
  • C07C 51/44 - SeparationPurificationStabilisationUse of additives by change of the physical state, e.g. crystallisation by distillation
  • C01B 32/50 - Carbon dioxide

59.

POLYMERIC CYCLOALIPHATIC EPOXIDES

      
Application Number EP2025079091
Publication Number 2026/078121
Status In Force
Filing Date 2025-10-09
Publication Date 2026-04-16
Owner ARKEMA FRANCE (France)
Inventor
  • Squires, Kelly
  • Plenderleith, Richard
  • Telitel, Sofia
  • Melec, Pierre
  • Young, Hannah

Abstract

The present invention relates to polymeric cycloaliphatic epoxides, precursors of such polymeric cycloaliphatic epoxides, compositions containing such polymeric cycloaliphatic epoxides, processes for curing such compositions, cured products thus obtained and uses of such products, notably as inks and coatings for food packaging.

IPC Classes  ?

  • C08G 63/553 - Acids or hydroxy compounds containing cycloaliphatic rings, e.g. Diels-Alder adducts
  • C08G 59/02 - Polycondensates containing more than one epoxy group per molecule
  • C08G 59/34 - Epoxy compounds containing three or more epoxy groups obtained by epoxidation of an unsaturated polymer
  • C08G 63/91 - Polymers modified by chemical after-treatment
  • C09D 163/00 - Coating compositions based on epoxy resinsCoating compositions based on derivatives of epoxy resins
  • C09D 167/06 - Unsaturated polyesters having carbon-to-carbon unsaturation

60.

PROCESS FOR MANUFACTURING A TERPOLYMER HAVING A HOMOGENEOUS CHEMICAL COMPOSITION AND POLYMERS THUS OBTAINED

      
Application Number FR2025050916
Publication Number 2026/078340
Status In Force
Filing Date 2025-10-08
Publication Date 2026-04-16
Owner
  • ARKEMA FRANCE (France)
  • CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
  • INSTITUT POLYTECHNIQUE DE BORDEAUX (France)
  • UNIVERSITE DE BORDEAUX (France)
Inventor
  • Khayat, Raymond
  • Fleury, Guillaume
  • Domingues Dos Santos, Fabrice
  • Lannuzel, Thierry

Abstract

The invention relates to a process for manufacturing a terpolymer essentially consisting of, or consisting of, repeating units derived from the suspension polymerization, in a liquid, of vinylidene fluoride, a second monomer of formula (I) and a third monomer of formula (II), in order to obtain a terpolymer that has a homogeneous chemical composition.

IPC Classes  ?

61.

PROCESS FOR MANUFACTURING A P(VDF-TRFE-CTFE) HAVING A HOMOGENEOUS CHEMICAL COMPOSITION AND POLYMERS THUS OBTAINED

      
Application Number FR2025050919
Publication Number 2026/078342
Status In Force
Filing Date 2025-10-08
Publication Date 2026-04-16
Owner
  • ARKEMA FRANCE (France)
  • CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
  • INSTITUT POLYTECHNIQUE DE BORDEAUX (France)
  • UNIVERSITE DE BORDEAUX (France)
Inventor
  • Khayat, Raymond
  • Fleury, Guillaume
  • Domingues Dos Santos, Fabrice
  • Lannuzel, Thierry

Abstract

The invention relates to a process for manufacturing a P(VDF-TrFE-CTFE) polymer by suspension polymerization, in a liquid, of vinylidene fluoride, VDF, trifluoroethylene, TrFE, and chlorotrifluoroethylene, CTFE, in order to obtain a P(VDF-TrFE-CTFE) that has a homogeneous chemical composition, and to a P(VDF-TrFE-CTFE) that has a homogeneous composition.

IPC Classes  ?

62.

CURABLE COMPOSITION COMPRISING AN ALKOXYLATED ISOSORBIDE DI(METH)ACRYLATE

      
Application Number EP2025077912
Publication Number 2026/073891
Status In Force
Filing Date 2025-09-30
Publication Date 2026-04-09
Owner ARKEMA FRANCE (France)
Inventor
  • Feillee, Noémi
  • Kelkar, Sneha
  • Evrard, Didier
  • Braz Ribeiro, Frederico

Abstract

The present invention relates to a curable composition comprising: a) at least one alkoxylated isosorbide di(meth)acrylate, b) at least one (meth)acrylate-functionalized oligomer, and c) at least one (meth)acrylate-functionalized monomer. The invention also relates to a process for the preparation of a cured product, especially a dental material, comprising curing this curable composition, preferably by exposing the curable composition to radiation such as UV, near-UV, visible, infrared, near-infrared and/or electron beam radiation.

IPC Classes  ?

  • A61K 6/887 - Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • A61K 6/62 - Photochemical radical initiators
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • B33Y 80/00 - Products made by additive manufacturing
  • C08F 222/10 - Esters
  • C08F 290/06 - Polymers provided for in subclass

63.

CURABLE COMPOSITIONS FOR THE MANUFACTURE OF ELECTRODES OF LITHIUM-ION BATTERIES

      
Application Number EP2025077913
Publication Number 2026/073892
Status In Force
Filing Date 2025-09-30
Publication Date 2026-04-09
Owner ARKEMA FRANCE (France)
Inventor Biria, Saeid

Abstract

A composition in the form of a slurry comprises an electrode particulate material; a (meth)acrylate oligomer; a solvent; an adhesion promoter comprising a (meth)acrylated phosphate ester; and optionally a (meth)acrylate monomer and/or a free radical photoinitiator. This composition is suitable for use in the fabrication of electrodes of lithium-ion batteries. In particular, the composition may be applied to a current collector, then cured to form a cathode or an anode. It has been found that this composition provides electrodes having an homogeneous surface which is deprived of cracks and also enhanced adhesion of the electrode particulate material to current collectors used in lithium-ion batteries.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/04 - Processes of manufacture in general
  • H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
  • H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

64.

COMPOSITION COMPRISING AT LEAST ONE MONOPEROXYCARBONATE AND AT LEAST ONE T-ALKYL HYDROPEROXIDE

      
Application Number FR2025050906
Publication Number 2026/074252
Status In Force
Filing Date 2025-10-06
Publication Date 2026-04-09
Owner ARKEMA FRANCE (France)
Inventor
  • Defrancisci, Alfredo
  • Hub, Serge

Abstract

The present invention relates to a composition comprising at least one organic peroxide, corresponding to formula (I) as defined hereinafter, and at least one t-alkyl hydroperoxide, and to the use thereof for crosslinking crosslinkable polymers. The invention also relates to a crosslinkable composition comprising at least one polyolefin and at least one organic peroxide corresponding to formula (I) and at least one t-alkyl hydroperoxide. The present invention likewise relates to a method for preparing a crosslinkable-polymer-based material comprising at least one step of crosslinking a crosslinkable composition as defined previously.

IPC Classes  ?

  • C08K 5/14 - Peroxides
  • C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
  • C08L 23/0853 - Ethene vinyl acetate copolymers

65.

ORGANIC PEROXIDE FOR CROSSLINKING POLYOLEFINS

      
Application Number FR2025050907
Publication Number 2026/074253
Status In Force
Filing Date 2025-10-06
Publication Date 2026-04-09
Owner ARKEMA FRANCE (France)
Inventor
  • Disson, Jean-Pierre
  • Defrancisci, Alfredo
  • Hub, Serge

Abstract

The present invention relates to the use of one or more organic peroxides of formula (I), in particular for crosslinking polyolefins, such as polyolefin elastomers (POE) and copolymers of ethylene and vinyl acetate (EVA), more particularly for use in photovoltaic applications. The invention also relates to a crosslinkable composition comprising at least one polyolefin and at least one organic peroxide corresponding to formula (I). The present invention also relates to a method for preparing a polyolefin-based material, preferably an encapsulating material, in particular for photovoltaic cells, comprising at least one step of crosslinking a crosslinkable composition as defined previously.

IPC Classes  ?

  • C07C 409/38 - Peroxy compounds the —O—O— group being bound between a C=O group and a carbon atom, not further substituted by oxygen atoms, i.e. esters of peroxy acids
  • C08K 5/14 - Peroxides
  • C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
  • C08L 23/0853 - Ethene vinyl acetate copolymers

66.

ADDITIVES FOR PREVENTING BUBBLE FORMATION DURING 3D PRINTING

      
Application Number EP2025076143
Publication Number 2026/061920
Status In Force
Filing Date 2025-09-15
Publication Date 2026-03-26
Owner ARKEMA FRANCE (France)
Inventor
  • Champagne, Clémentine
  • Andersson, Jonathan, Daniel

Abstract

The present invention relates to curable compositions comprising additives useful for preventing the formation and entrapment of bubbles during 3D printing and to methods for preventing or restricting bubble formation and entrapment in 3D printed compositions. More specifically, this invention pertains to a curable composition comprising: (A) a free-radically polymerizable resin comprising at least one (meth)acrylate-functionalized compound; (B) a free radical photoinitiator; (C) optionally, at least one cationically polymerizable compound and a cationic photoinitiator; and (D) at least one specific wetting agent present in an amount of 1 to 15 weight percent based on the weight of the curable composition. The additives described herein are useful across a wide range of 3D printed articles because the presence of bubbles in the curable composition may impact either or both of the operability or the aesthetics of a 3D printed article.

IPC Classes  ?

  • G03F 7/027 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
  • G03F 7/038 - Macromolecular compounds which are rendered insoluble or differentially wettable
  • G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor
  • G03F 7/004 - Photosensitive materials
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing

67.

SOLID ELECTROLYTE FOR NA-ION AND K-ION BATTERY

      
Application Number FR2025050846
Publication Number 2026/062349
Status In Force
Filing Date 2025-09-17
Publication Date 2026-03-26
Owner ARKEMA FRANCE (France)
Inventor
  • Godillot, Gérôme
  • Bonnet, Anthony

Abstract

The invention relates to a solid electrolyte composition which can be used to manufacture a film offering a very good compromise between ion conductivity, electrochemical stability, high-temperature stability and mechanical strength. This composition can be used in a separator or an electrode of Na-ion or K-ion batteries.

IPC Classes  ?

  • H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
  • H01M 8/1039 - Polymeric electrolyte materials halogenated, e.g. sulfonated polyvinylidene fluorides
  • H01M 10/054 - Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
  • H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
  • H01M 10/0567 - Liquid materials characterised by the additives
  • H01M 10/0568 - Liquid materials characterised by the solutes
  • H01M 10/0569 - Liquid materials characterised by the solvents
  • H01G 9/025 - Solid electrolytes
  • H01G 11/64 - Liquid electrolytes characterised by additives
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/86 - Inert electrodes with catalytic activity, e.g. for fuel cells
  • H02K 1/24 - Rotor cores with salient poles
  • H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
  • H02K 3/487 - Slot-closing devices
  • H02K 3/52 - Fastening salient pole windings or connections thereto
  • H02K 15/106 - Insulating between conductors and cores
  • H02K 15/108 - Insulating between conductors and cores with slot liners
  • H01M 8/10 - Fuel cells with solid electrolytes

68.

METHOD FOR PREPARING AND PURIFYING A POLYMER COMPRISING DISULFIDE BRIDGES

      
Application Number FR2025050850
Publication Number 2026/062352
Status In Force
Filing Date 2025-09-18
Publication Date 2026-03-26
Owner ARKEMA FRANCE (France)
Inventor
  • Eid, Nadim
  • Brocas, Anne-Laure
  • Carrere, Véronique
  • Navarro, Christophe
  • Merceron, Amélie

Abstract

The present invention relates to a process for preparing and purifying a polymer comprising disulfide bridges.

IPC Classes  ?

69.

BATTERY COMPRISING A POLYMER CONTAINING DISULFIDE BONDS

      
Application Number FR2025050849
Publication Number 2026/062351
Status In Force
Filing Date 2025-09-18
Publication Date 2026-03-26
Owner ARKEMA FRANCE (France)
Inventor
  • Eid, Nadim
  • Marchal, Lauréline
  • Golillot, Gérôme
  • Navarro, Christophe

Abstract

The present invention relates to the use, in a Li-ion secondary battery, of an amorphous polymer P1 comprising at least one -(S-R-S)-(S-R-S)- segment.

IPC Classes  ?

  • H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 6/18 - Cells with non-aqueous electrolyte with solid electrolyte
  • H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
  • H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
  • H01M 10/052 - Li-accumulators

70.

POLYESTER (METH)ACRYLATE, METHOD FOR PREPARING SAME AND USES THEREOF

      
Application Number EP2025074544
Publication Number 2026/052500
Status In Force
Filing Date 2025-08-28
Publication Date 2026-03-12
Owner ARKEMA FRANCE (France)
Inventor
  • Telitel, Sofia
  • Lefort, Alice
  • Laurent, Mathilde
  • Gossiaux, Alexandre
  • Drujon, Xavier

Abstract

The invention relates to a polyester (meth)acrylate, to a method for preparing same, to a polymerisable composition comprising same and to the uses thereof, in particular as a binder in a polymerisable composition, in particular as a binder in a coating composition. The invention further relates to a crosslinked product obtained by crosslinking the polymerisable composition according to the invention and to a substrate that is at least partially coated with the crosslinked product.

IPC Classes  ?

  • C08G 63/47 - Polyesters chemically modified by esterification by unsaturated monocarboxylic acids or unsaturated monohydric alcohols or reactive derivatives thereof
  • C08F 290/06 - Polymers provided for in subclass
  • C08G 63/685 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing nitrogen
  • C08G 63/87 - Non-metals or inter-compounds thereof
  • C08G 63/91 - Polymers modified by chemical after-treatment
  • C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups

71.

METHODS OF MAKING A LAMINATE

      
Application Number EP2025074152
Publication Number 2026/046931
Status In Force
Filing Date 2025-08-25
Publication Date 2026-03-05
Owner ARKEMA FRANCE (France)
Inventor
  • Wang, Xianping
  • Zhu, Tianxia
  • Martineau, Paul
  • Gareis, Bill

Abstract

Disclosed herein is a method of making a laminate. The method may comprise providing a first substrate having a moisture cure adhesive on a first surface of the first substrate, preferably the moisture cure adhesive comprises a polyurethane adhesive, more preferably the polyurethane moisture cure adhesive comprises either a 1-component adhesive or a 2-component adhesive. The method also includes applying a primer at an application rate of at least about 5 g/ft2to a first surface of a second substrate, preferably the application rate comprises at least about 6 g/ft2, more preferably at least about 8 g/ft2, further preferably at least about 10 g/ft2. The method further includes contacting the primer on the second substrate to the moisture cure adhesive on the first substrate to form at least one of a finger joint, a butt joint, a route joint, or a v-groove joint.

IPC Classes  ?

  • C09J 5/02 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving pretreatment of the surfaces to be joined
  • B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
  • B32B 21/14 - Layered products essentially comprising wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer

72.

POLYAMIDE COMPOSITION FOR COATING AN ELECTRICITY TRANSMISSION COMPONENT

      
Application Number EP2025074584
Publication Number 2026/047163
Status In Force
Filing Date 2025-08-29
Publication Date 2026-03-05
Owner ARKEMA FRANCE (France)
Inventor
  • Loze, Jean-Yves
  • Gaboriau, Christelle

Abstract

The present invention relates to the use of a polyamide composition in powder form for coating a high-voltage electricity transmission component, such as a busbar, comprising: (a) at least one polyamide, (b) at least one dye substance, and (c) calcium carbonate. The invention also relates to the use of calcium carbonate to improve the colour stability of an electrically insulating polyamide-based coloured coating applied to a high-voltage electricity transmission component.

IPC Classes  ?

  • H01B 3/30 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes
  • C08J 3/12 - Powdering or granulating
  • C09D 7/41 - Organic pigmentsOrganic dyes
  • C09D 7/61 - Additives non-macromolecular inorganic
  • C09D 5/03 - Powdery paints
  • C08K 3/26 - CarbonatesBicarbonates
  • C08J 7/04 - Coating

73.

COMPOSITION COMPRISING AN ETHYLENICALLY UNSATURATED POLYMER RESIN, AT LEAST ONE ORGANIC PEROXIDE OF FORMULA(I) AND AT LEAST ONE ORGANIC PEROXIDE OF FORMULA (II), AND USE OF THE SAME

      
Application Number EP2025074687
Publication Number 2026/047209
Status In Force
Filing Date 2025-08-29
Publication Date 2026-03-05
Owner ARKEMA FRANCE (France)
Inventor Yu, Xiaoquian

Abstract

The present invention relates to a composition comprising an ethylenically unsaturated polymer resin, at least one organic peroxide of formula (I) and at least on organic peroxide of formula (II) and use of the mixture of at least one organic peroxide of formula (I) and at least one organic peroxide of formula (II) for curing of a composition comprising an ethylenically unsaturated polymer resin, in particular for the preparation of a synthetic stone.

IPC Classes  ?

  • C04B 26/04 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • C04B 26/18 - PolyestersPolycarbonates
  • C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
  • C08K 5/14 - Peroxides
  • C08K 5/00 - Use of organic ingredients
  • C08L 67/06 - Unsaturated polyesters

74.

AMORPHOUS COPOLYAMIDES OBTAINED FROM 2,5‐FURANDICARBOXYLIC ACID

      
Application Number EP2025073395
Publication Number 2026/041544
Status In Force
Filing Date 2025-08-14
Publication Date 2026-02-26
Owner ARKEMA FRANCE (France)
Inventor
  • Ye, Wen
  • Werth, Michael, Robert
  • Wang, Miao

Abstract

111 111 with 4 to 18 carbon atoms and of F representing 2,5‐furandicarboxylic acid, X111 111 is not F. the copolyamide having an inherent viscosity of more than 0.85 dL/g, preferably more than 0.90 dL/g, and most preferably of more than 0.95 dL/g, the copolyamide having a glass transition temperature of between 115°C and 170°C.

IPC Classes  ?

  • C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
  • C08G 69/36 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines, and polycarboxylic acids
  • C08G 69/40 - Polyamides containing oxygen in the form of ether groups
  • C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
  • C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids
  • C08G 69/28 - Preparatory processes

75.

ANTIFOAM COMPOSITIONS FOR WATER-BASED MUDS

      
Application Number EP2025073908
Publication Number 2026/041749
Status In Force
Filing Date 2025-08-21
Publication Date 2026-02-26
Owner
  • TOTALENERGIES ONETECH (France)
  • ARKEMA FRANCE (France)
Inventor
  • Swoboda, Benjamin
  • Lansot, Jean-Yves
  • Bouret, Carl
  • Perumalsamy, Jayachandran

Abstract

n22222223222232222522222-, - n is an integer ranging from 2 to 50.

IPC Classes  ?

  • C09K 8/035 - Organic additives
  • C09K 8/28 - Oil-in-water emulsions containing organic additives
  • C09K 8/68 - Compositions based on water or polar solvents containing organic compounds

76.

URETHANE (METH)ACRYLATE

      
Application Number EP2025073152
Publication Number 2026/041507
Status In Force
Filing Date 2025-08-12
Publication Date 2026-02-26
Owner ARKEMA FRANCE (France)
Inventor Monnier, Guillaume

Abstract

The present invention relates to a urethane (meth)acrylate, resulting from the reaction of at least one caprolactone-diol obtained from the reaction of caprolactone with 1,4-butanediol or 1,6-hexanediol, at least one polyisocyanate, and at least one hydroxy-functional (meth)acrylate. The present invention also relates to curable composition comprising such urethane (meth)acrylate, as well as the use of the curable compositions as coating compositions, sealant compositions, molding compositions, dental compositions, composite material compositions or 3D printing compositions.

IPC Classes  ?

  • C08G 18/22 - Catalysts containing metal compounds
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • C08F 290/06 - Polymers provided for in subclass
  • C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
  • C08G 18/67 - Unsaturated compounds having active hydrogen
  • C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic

77.

URETHANE (METH)ACRYLATE

      
Application Number EP2025073153
Publication Number 2026/041508
Status In Force
Filing Date 2025-08-12
Publication Date 2026-02-26
Owner ARKEMA FRANCE (France)
Inventor Monnier, Guillaume

Abstract

The present invention relates to a urethane (meth)acrylate, resulting from the reaction of at least one caprolactone-diol obtained from the reaction of caprolactone and dipropylene glycol, at least one polyisocyanate, and at least one hydroxy-functional (meth)acrylate. The present invention also relates to curable composition comprising such urethane (meth)acrylate, as well as the use of the curable compositions as coating compositions, sealant compositions, molding compositions, dental compositions, composite material compositions or 3D printing compositions.

IPC Classes  ?

  • C08G 18/22 - Catalysts containing metal compounds
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • C08F 290/06 - Polymers provided for in subclass
  • C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
  • C08G 18/67 - Unsaturated compounds having active hydrogen
  • C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic

78.

URETHANE (METH)ACRYLATE

      
Application Number EP2025073154
Publication Number 2026/041509
Status In Force
Filing Date 2025-08-12
Publication Date 2026-02-26
Owner ARKEMA FRANCE (France)
Inventor Monnier, Guillaume

Abstract

The present invention relates to a urethane (meth)acrylate, resulting from the reaction of at least one caprolactone-diol obtained from the reaction of caprolactone with 1,3-cyclohexanedimethanol or 1,4- cyclohexanedimethanol, at least one polyisocyanate, and at least one hydroxy-functional (meth)acrylate. The present invention also relates to curable composition comprising such urethane (meth)acrylate, as well as the use of the curable compositions as coating compositions, sealant compositions, molding compositions, dental compositions, composite material compositions or 3D printing compositions.

IPC Classes  ?

  • C08G 18/22 - Catalysts containing metal compounds
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • C08F 290/06 - Polymers provided for in subclass
  • C08G 18/42 - Polycondensates having carboxylic or carbonic ester groups in the main chain
  • C08G 18/67 - Unsaturated compounds having active hydrogen
  • C08G 18/75 - Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic

79.

CATALYST COMPOSITION COMPRISING COBALT FOR THE SYNTHESIS OF CARBON NANOTUBES

      
Application Number FR2025050705
Publication Number 2026/037991
Status In Force
Filing Date 2025-07-25
Publication Date 2026-02-19
Owner ARKEMA FRANCE (France)
Inventor
  • Demangel, Eric
  • Vergez, Muriel
  • Xuereb, Mathias

Abstract

The present invention relates to a catalyst composition with improved activity for the synthesis of carbon nanotubes, to the methods for obtaining these catalysts, and to the carbon nanotubes obtained by using these catalysts.

IPC Classes  ?

  • B01J 21/04 - Alumina
  • B01J 23/887 - Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups
  • B01J 23/89 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with noble metals
  • B01J 35/61 - Surface area
  • B01J 37/02 - Impregnation, coating or precipitation
  • B01J 37/08 - Heat treatment
  • B01J 37/18 - Reducing with gases containing free hydrogen

80.

FOOTWEAR ELEMENT IN CONTACT WITH THE GROUND

      
Application Number FR2025050752
Publication Number 2026/038002
Status In Force
Filing Date 2025-08-12
Publication Date 2026-02-19
Owner ARKEMA FRANCE (France)
Inventor
  • Gripon, Layla
  • Prenveille, Thomas
  • Mougnier, Sébastien Jun

Abstract

The invention mainly relates to a footwear sole, in particular an outer sole, made of a composition comprising, by weight relative to the total weight of the composition: (a) 50% to 100% of at least one polyether block amide (PEBA) comprising polyamide blocks and polyether blocks, wherein the polyether blocks comprise on average at least 50% of polyether blocks, wherein the polyether blocks comprise on average more than 50% of ether units comprising at least 3 carbon atoms per oxygen atom; (b) 0 to 50%, preferably 5% to 40% and in particular 10% to 30% of fillers; and (c) 0 to 5%, preferably 0.1% to 4% and in particular 1% to 3% of additives, wherein the composition has a Shore hardness of less than 100A and a density greater than 0.85, and wherein the PEBA has a number-average molar mass Mn, as measured by size-exclusion chromatography according to the ISO 16014-1: 2019 standard, of between 10 000 and 70 000 g/mol.

IPC Classes  ?

  • A43B 1/00 - Footwear characterised by the material
  • A43B 13/04 - Plastics, rubber or vulcanised fibre

81.

FOOTWEAR CLEATS

      
Application Number FR2025050753
Publication Number 2026/038003
Status In Force
Filing Date 2025-08-12
Publication Date 2026-02-19
Owner ARKEMA FRANCE (France)
Inventor
  • Gripon, Layla
  • Prenveille, Thomas
  • Mougnier, Sébastien Jun

Abstract

The invention mainly relates to a footwear cleat, in particular for sports footwear, made of a composition comprising, by weight relative to the total weight of the composition: (a) 50% to 100% of at least one polyether block amide (PEBA) comprising polyamide blocks and polyether blocks, wherein the polyether blocks comprise on average more than 50% of ether units comprising at least 3 carbon atoms per oxygen atom; (b) 0 to 50% of fillers; and (c) 0 to 5% of additives, wherein the composition has a Shore hardness of less than 100A.

IPC Classes  ?

  • A43B 1/00 - Footwear characterised by the material
  • A43C 13/04 - CleatsSimple studsScrewsHob-nails
  • A43C 15/16 - Studs for football or like boots
  • B29D 35/06 - Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising
  • B29D 35/12 - Producing parts thereof, e.g. soles, heels or uppers, by a moulding technique

82.

FLEXIBLE COMPOSITION WITH IMPROVED SLIP RESISTANCE

      
Application Number FR2025050754
Publication Number 2026/038004
Status In Force
Filing Date 2025-08-12
Publication Date 2026-02-19
Owner ARKEMA FRANCE (France)
Inventor
  • Gripon, Layla
  • Prenveille, Thomas

Abstract

The invention relates mainly to a polymer composition comprising: (a) 55% to 99%, preferably 60% to 95%, advantageously 65% to 90%, and in particular 70% to 85% by weight of polyether block amide (PEBA) having a ratio of the number-average molar mass of the polyamide blocks to that of the polyether blocks of 1.0 or less; (b) 1% to 45% by weight of a modifier selected from among: i. a thermoplastic elastomer in the form of a block copolymer with a ratio D of the number-average molar mass of the rigid blocks to that of the soft blocks of less than 0.8; ii. a crude or crosslinked rubber; and iii. combinations thereof; (c) 0% to 5% by weight of additives; and (d) 0% to 5% by weight of fillers, the sum of the percentages of components (a) to (d) adding up to 100%, and wherein the composition comprises less than 4% by weight of carbon black.

IPC Classes  ?

  • A43B 13/04 - Plastics, rubber or vulcanised fibre
  • B29D 35/12 - Producing parts thereof, e.g. soles, heels or uppers, by a moulding technique
  • C08J 11/06 - Recovery or working-up of waste materials of polymers without chemical reactions
  • C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof

83.

BIOBASED PLASTICIZER FOR POLYMER

      
Application Number EP2025072409
Publication Number 2026/032932
Status In Force
Filing Date 2025-08-04
Publication Date 2026-02-12
Owner ARKEMA FRANCE (France)
Inventor
  • Ye, Wen
  • Werth, Michael

Abstract

The present invention relates to a plasticizer for polyamide composition, said plasticizer comprising at least one compound of formula (I).

IPC Classes  ?

  • C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof

84.

NOVEL SULPHUR ADDITIVES AND ANTI-FOULING COMPOSITIONS FOR THE PRODUCTION OF BIOFUELS

      
Application Number EP2025071847
Publication Number 2026/027572
Status In Force
Filing Date 2025-07-29
Publication Date 2026-02-05
Owner ARKEMA FRANCE (France)
Inventor
  • Kolitcheff, Svetan
  • Dubos, Jean-Luc
  • Lescoulie, Nicolas

Abstract

111302n2nn-SH group. The mercaptan may also be combined with another sulphur compound, in particular dimethyl disulphide.

IPC Classes  ?

  • C10G 1/10 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
  • C10G 3/00 - Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids
  • C10G 45/02 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbonsHydrofinishing
  • C10G 45/58 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour pointSelective hydrocracking of normal paraffins
  • C10G 47/00 - Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, to obtain lower boiling fractions
  • C10G 65/04 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps
  • C10G 65/12 - Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including cracking steps and other hydrotreatment steps
  • C10G 75/04 - Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general by addition of antifouling agents
  • C10L 1/00 - Liquid carbonaceous fuels

85.

ALKYD EMULSION BASED ON MODIFIED ROSIN

      
Application Number EP2025071705
Publication Number 2026/027495
Status In Force
Filing Date 2025-07-28
Publication Date 2026-02-05
Owner ARKEMA FRANCE (France)
Inventor
  • Piffoux, Laurent
  • Riondel, Alain
  • Kurczak, Michael
  • Lottier, Simon
  • Delmas, Grégory
  • Vermeersch, Lucie

Abstract

The present invention relates to an alkyd emulsion comprising an alkyd resin based on modified rosin. The invention also relates to a method for preparing the alkyd emulsion and to the use thereof for obtaining a coating, in particular a decorative or industrial coating.

IPC Classes  ?

  • C08G 63/48 - Polyesters chemically modified by esterification by unsaturated higher fatty oils or their acidsPolyesters chemically modified by esterification by resin acids
  • C08G 63/553 - Acids or hydroxy compounds containing cycloaliphatic rings, e.g. Diels-Alder adducts
  • C09D 167/08 - Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids

86.

METHOD FOR MANUFACTURING A POLYARYLETHERKETONE COMPOSITION INCORPORATING A NUCLEATING AGENT

      
Application Number FR2025050717
Publication Number 2026/027833
Status In Force
Filing Date 2025-07-30
Publication Date 2026-02-05
Owner ARKEMA FRANCE (France)
Inventor
  • Le, Guillaume
  • Luiz, Laura

Abstract

The invention relates to a method for manufacturing a composition comprising a polyaryletherketone incorporating at least one nucleating agent, the method comprising: forming a reaction mixture by bringing polymerization reagents which are suitable for manufacturing a polyaryletherketone into contact with each other in all or part of a reaction solvent; dispersing the at least one nucleating agent in the reaction mixture that has been or is being formed; polymerizing the reaction mixture that has been formed in which the at least one nucleating agent has been dispersed, until the polyaryletherketone precipitates in the reaction solvent; and recovering the composition comprising the polyaryletherketone incorporating the at least one nucleating agent.

IPC Classes  ?

  • C08G 65/40 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols and other compounds
  • C08G 65/46 - Post-polymerisation treatment, e.g. recovery, purification, drying
  • C08L 71/00 - Compositions of polyethers obtained by reactions forming an ether link in the main chainCompositions of derivatives of such polymers

87.

POLYAMIDE POWDERS FOR 3D PRINTING

      
Application Number FR2025050719
Publication Number 2026/027835
Status In Force
Filing Date 2025-07-30
Publication Date 2026-02-05
Owner ARKEMA FRANCE (France)
Inventor
  • Huitorel, Brendan
  • Prenveille, Thomas

Abstract

The present invention relates to a long-chain polyamide powder composition for manufacturing items by 3D printing, in particular by sintering, making it possible to improve the processability of the material during printing. The invention also relates to a method for preparing this powder composition, to the use thereof in a sintering-based manufacturing process, and to the items manufactured from said powder composition.

IPC Classes  ?

  • B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
  • B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
  • B33Y 10/00 - Processes of additive manufacturing
  • B33Y 70/00 - Materials specially adapted for additive manufacturing
  • C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof

88.

THERMOPLASTIC POLYMER THAT CAN BE USED FOR PRODUCING A FOAM

      
Application Number FR2025050730
Publication Number 2026/027837
Status In Force
Filing Date 2025-08-01
Publication Date 2026-02-05
Owner ARKEMA FRANCE (France)
Inventor
  • Duriez, Edouard
  • Do Carmo, Julie
  • Testud, Blandine
  • Cipriani, Régis

Abstract

The invention relates to a thermoplastic polymer, preferably a thermoplastic elastomer, for which the temperature Tx is higher than the temperature To; Tx and To being measured by determining the curves of the elastic modulus (G') and the loss modulus (G'') as a function of the temperature during a measurement of plate-plate rheology while cooling; Tx corresponding to the temperature at the intersection of the curves of the elastic modulus and the loss modulus; To corresponding to the temperature at the intersection of the tangents to the curve of the logarithm of the high-temperature elastic modulus and to an inflection point of said curve. The invention also relates to a foam of such a copolymer, a method for manufacturing such a foam and items produced from such a foam.

IPC Classes  ?

  • C08G 69/40 - Polyamides containing oxygen in the form of ether groups
  • C08G 69/44 - Polyester-amides
  • C08G 69/46 - Post-polymerisation treatment
  • C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
  • C08L 77/12 - Polyester-amides
  • C08G 65/333 - Polymers modified by chemical after-treatment with organic compounds containing nitrogen
  • C08G 81/00 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
  • C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
  • C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
  • C08L 87/00 - Compositions of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds

89.

BITUMINOUS MATERIALS WITH IMPROVED WORKABILITY PROPERTIES

      
Application Number EP2025071984
Publication Number 2026/027636
Status In Force
Filing Date 2025-07-30
Publication Date 2026-02-05
Owner
  • VINCI CONSTRUCTION (France)
  • ARKEMA FRANCE (France)
  • CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
  • UNIVERSITE DE BORDEAUX (France)
  • INSTITUT POLYTECHNIQUE DE BORDEAUX (France)
Inventor
  • Verilhac, Corentin
  • Lebarbe, Thomas
  • Barreto, Gilles
  • Deves, Lise
  • Champagne, Clémentine
  • Carlotti, Stéphane
  • Le Meins, Jean-François
  • Delfosse, Frédéric

Abstract

mnn-OH (1), the additive content in the binder being such that the hydroxyl value of the additive per kg of binder is between 200 and 700 g KOH/kg. The invention also relates to bituminous mixes based on a hydrocarbon binder as defined above, to aggregates and to a mineral filler. These bituminous mixes can be used for producing surfacing for roads, pavements or other urban infrastructure, and for producing sealing layers for structures and buildings.

IPC Classes  ?

  • C08L 95/00 - Compositions of bituminous materials, e.g. asphalt, tar or pitch

90.

IMPROVED WATER-BASED LUBRICATING FLUIDS

      
Application Number EP2025070825
Publication Number 2026/022072
Status In Force
Filing Date 2025-07-21
Publication Date 2026-01-29
Owner ARKEMA FRANCE (France)
Inventor
  • Saint-Louis-Augustin, Pascal
  • Lec, Jean-Christophe
  • Hediger, Hélène

Abstract

The present invention relates to a lubricating fluid, preferably water-based, comprising: a) a sulphur-containing compound or one of the salts thereof, more particularly homocysteine; b) a polyalkylene glycol; c) water; and d) optionally one or more functional additives. The present invention also relates to the use of this lubricating fluid for lubricating and/or cleaning mechanical devices, for metalwork, as a hydraulic fluid, or as a fluid for mining operations. The present invention also relates to a method for lubricating a metal or a composite, the method comprising bringing the metal or the composite into contact with the lubricating fluid.

IPC Classes  ?

  • C10M 135/26 - ThiolsSulfidesPolysulfides containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing carboxyl groupsDerivatives thereof
  • C10M 145/26 - Polyoxyalkylenes
  • C10M 173/00 - Lubricating compositions containing more than 10% water

91.

ADDITIVE FOR ROAD MATERIALS

      
Application Number FR2025050663
Publication Number 2026/017950
Status In Force
Filing Date 2025-07-15
Publication Date 2026-01-22
Owner ARKEMA FRANCE (France)
Inventor
  • Jorda, Eric
  • Inoubli, Rabi

Abstract

The present invention relates to an additive composition for asphalt emulsion, comprising: - 20% to 80% by weight, relative to the total weight of the additive, of at least one C12-C22 monoacid comprising a linear or branched, saturated or unsaturated hydrocarbon chain; and - 20% to 80% by weight, relative to the total weight of the additive, of at least one C12-C22 monoacid dimer comprising an unsaturated, linear or branched hydrocarbon chain, the total weight of monoacid(s) and monoacid dimer(s) representing at least 70 wt.-% relative to the total weight of the additive.

IPC Classes  ?

  • C08K 5/09 - Carboxylic acidsMetal salts thereofAnhydrides thereof

92.

METHOD FOR PREPARING AT LEAST ONE AROMATIC COMPOUND CAPABLE OF STORING AND/OR TRANSPORTING DIHYDROGEN

      
Application Number FR2025050679
Publication Number 2026/017954
Status In Force
Filing Date 2025-07-18
Publication Date 2026-01-22
Owner ARKEMA FRANCE (France)
Inventor Monguillon, Bernard

Abstract

The present invention relates to a method for preparing at least one compound of formula (I), preferably at least benzyltoluene (BT) and/or at least dibenzyltoluene (DBT) and/or one of the geometric isomers thereof, capable of storing and/or transporting dihydrogen.

IPC Classes  ?

  • C01B 7/04 - Preparation of chlorine from hydrogen chloride
  • C25B 1/26 - ChlorineCompounds thereof
  • C25B 1/34 - Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
  • C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
  • C07C 17/14 - Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the side-chain of aromatic compounds
  • C07C 15/16 - Polycyclic non-condensed hydrocarbons containing at least two phenyl groups linked by one single acyclic carbon atom
  • C07C 2/86 - Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
  • C07C 22/04 - Cyclic compounds containing halogen atoms bound to an acyclic carbon atom having unsaturation in the rings containing six-membered aromatic rings

93.

METHOD FOR PREPARING AT LEAST ONE AROMATIC COMPOUND CAPABLE OF STORING AND/OR TRANSPORTING DIHYDROGEN

      
Application Number FR2025050681
Publication Number 2026/017955
Status In Force
Filing Date 2025-07-18
Publication Date 2026-01-22
Owner ARKEMA FRANCE (France)
Inventor Monguillon, Bernard

Abstract

The present invention relates to a method for preparing at least one aromatic LOHC compound and/or one of the geometric isomers thereof, preferably at least benzyltoluene (BT) and/or at least dibenzyltoluene (DBT), capable of storing and/or transporting dihydrogen.

IPC Classes  ?

  • C07C 2/86 - Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
  • C07C 6/12 - Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring
  • C01B 3/00 - HydrogenGaseous mixtures containing hydrogenSeparation of hydrogen from mixtures containing itPurification of hydrogen
  • C07C 17/14 - Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the side-chain of aromatic compounds
  • C07C 22/04 - Cyclic compounds containing halogen atoms bound to an acyclic carbon atom having unsaturation in the rings containing six-membered aromatic rings
  • C07C 15/16 - Polycyclic non-condensed hydrocarbons containing at least two phenyl groups linked by one single acyclic carbon atom
  • C25B 1/26 - ChlorineCompounds thereof
  • C25B 1/34 - Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
  • C01B 7/04 - Preparation of chlorine from hydrogen chloride
  • C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes

94.

MULTISTAGE POLYMER, ITS METHOD OF PREPARATION, COMPOSITION COMPRISING IT AND ITS USE

      
Application Number EP2025070018
Publication Number 2026/013305
Status In Force
Filing Date 2025-07-11
Publication Date 2026-01-15
Owner ARKEMA FRANCE (France)
Inventor
  • Couffin, Aline
  • Inoubli, Rabi
  • Hajji, Philippe

Abstract

The present invention relates to a composition comprising a multistage polymer, its process of preparation, composition comprising it and its use. In particular the present invention relates to a composition in form of a polymer powder comprising a relatively simple multistage polymer in form of polymeric particles made by a multistage process. More particularly the present invention relates to polymer composition in form of a polymer powder comprising polymeric particles made by a multistage process comprising two stages and comprising internal a (meth)acrylic polymer or copolymer comprising lateral ester groups, its process of preparation, its use and compositions and articles comprising it.

IPC Classes  ?

95.

MULTISTAGE POLYMER, ITS METHOD OF PREPARATION, COMPOSITION COMPRISING IT AND ITS USE

      
Application Number EP2025070019
Publication Number 2026/013306
Status In Force
Filing Date 2025-07-11
Publication Date 2026-01-15
Owner ARKEMA FRANCE (France)
Inventor
  • Couffin, Aline
  • Inoubli, Rabi
  • Hajji, Philippe

Abstract

The present invention relates to a composition comprising a multistage polymer, its process of preparation, composition comprising it and its use. In particular the present invention relates to a composition in form of a polymer powder comprising a multistage polymer in form of polymeric particles made by a multistage process. More particularly the present invention relates to polymer composition in form of a polymer powder comprising polymeric particles made by a multistage process comprising at least two stages and comprising a (meth)acrylic polymer or copolymer comprising lateral ester or polyester groups, its process of preparation, its use and compositions and articles comprising it.

IPC Classes  ?

  • C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
  • C08F 285/00 - Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers

96.

SOLID ELECTROLYTE AND PREPARATION THEREOF

      
Application Number FR2025050632
Publication Number 2026/013357
Status In Force
Filing Date 2025-07-07
Publication Date 2026-01-15
Owner
  • ARKEMA FRANCE (France)
  • INSTITUT POLYTECHNIQUE DE GRENOBLE (France)
  • UNIVERSITE GRENOBLE ALPES (France)
  • CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
  • UNIVERSITE SAVOIE MONT BLANC (France)
Inventor
  • Marchal, Lauréline
  • Trassart, Lucas
  • Villevieille, Claire
  • Alloin, Fannie

Abstract

The present invention relates to compositions comprising particles of a fluoropolymer and solid inorganic particles, characterized in that said solid inorganic particles have a Young's modulus of between 1 and 100 GPa and in that said fluoropolymer has a melt viscosity of less than 45 kPoise measured at 230°C at a shear rate of 100 s-1 according to standard ASTM D3835.

IPC Classes  ?

97.

EASIER-TO-RECYCLE LITHIUM-ION BATTERY

      
Application Number FR2025050624
Publication Number 2026/008952
Status In Force
Filing Date 2025-07-04
Publication Date 2026-01-08
Owner ARKEMA FRANCE (France)
Inventor
  • Beaugendre, Agnès
  • Schmidt, Grégory
  • Huzar-Ea, Marie

Abstract

The present invention relates to a lithium-ion secondary battery comprising a cathode, an anode, and a separator arranged between the cathode and the anode; the cathode comprising a current collector C' and a layer C comprising a first active material, a conductive agent and a first binder; the anode comprising a current collector A' and a layer A comprising a second active material and a second binder; the separator comprising either a porous polymer support S and a coating SC arranged on the porous support S, or a solid electrolyte comprising a coating SC, characterised in that the first binder L1, the second binder L2 and the coating SC each comprise at least one polymer P having a solubility greater than 0.01 g/ml at room temperature in a solvent S1 having a donor number greater than 4 kcal/mol.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 10/052 - Li-accumulators
  • H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
  • H01M 10/54 - Reclaiming serviceable parts of waste accumulators
  • H01M 50/414 - Synthetic resins, e.g. .thermoplastics or thermosetting resins
  • H01M 50/426 - Fluorocarbon polymers
  • H01M 50/449 - Separators, membranes or diaphragms characterised by the material having a layered structure
  • H01M 50/451 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material

98.

ELECTROCHEMICAL CELL, MOTHER UNIT FOR THE PREPARATION THEREOF, USE, AND PREPARATION METHOD

      
Application Number EP2025069115
Publication Number 2026/008828
Status In Force
Filing Date 2025-07-04
Publication Date 2026-01-08
Owner
  • ARKEMA FRANCE (France)
  • I-TEN (France)
  • CONSERVATOIRE NATIONAL DES ARTS ET METIERS (France)
Inventor
  • Bonnet, Anthony
  • Cayrefourcq, Ian
  • Iliopoulos, Ilias
  • Sollogoub, Cyrille
  • Boujelbene, Ilhem

Abstract

The present invention relates to the field of electrochemical cells, a mother unit and a method for preparing said cells. The electrochemical cells have a structure comprising at least 2 units. Each unit comprises at least one thermoplastic electronically conductive collector layer, at least one anode layer, at least one electrolyte layer and at least one cathode layer.

IPC Classes  ?

  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 4/66 - Selection of materials
  • H01M 10/052 - Li-accumulators
  • H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
  • H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
  • H01M 4/04 - Processes of manufacture in general
  • B29C 48/07 - Flat, e.g. panels
  • B29L 31/34 - Electrical apparatus, e.g. sparking plugs or parts thereof
  • B29C 48/18 - Articles comprising two or more components, e.g. co-extruded layers the components being layers
  • B29C 48/71 - Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows for layer multiplication

99.

BRANCHED POLYAMIDE FOR THE PRODUCTION OF A FOAM

      
Application Number FR2025050559
Publication Number 2025/262398
Status In Force
Filing Date 2025-06-18
Publication Date 2025-12-26
Owner ARKEMA FRANCE (France)
Inventor Hibert, Geoffrey

Abstract

The invention relates to a specific branched polyamide that can be used to produce an article, in particular a foamed article. The invention also relates to a foam made from said branched polyamide and to the methods for preparing same.

IPC Classes  ?

  • C08G 69/02 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids
  • C08G 69/36 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines, and polycarboxylic acids
  • C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
  • C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
  • C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids

100.

ANODE COATING FOR ALL-SOLID-STATE NA-ION OU K-ION BATTERY

      
Application Number FR2025050506
Publication Number 2025/253075
Status In Force
Filing Date 2025-06-06
Publication Date 2025-12-11
Owner ARKEMA FRANCE (France)
Inventor Schmidt, Grégory

Abstract

The present invention relates generally to the field of storing electrical energy in rechargeable secondary Na-ion or K-ion batteries. More precisely, the invention relates to an anode coating for an all-solid-state Na-ion or K-ion battery. The invention also relates to a method for preparing said coating. The invention further relates to an anode coated with this coating, to the method for producing such an anode, and to secondary Na-ion or K-ion batteries comprising such an anode.

IPC Classes  ?

  • H01M 4/36 - Selection of substances as active materials, active masses, active liquids
  • H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
  • H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
  • H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
  • H01M 10/054 - Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
  • H01M 10/0562 - Solid materials
  • H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
  • H01M 4/02 - Electrodes composed of, or comprising, active material
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