Abstract

Disclosed are controlled release particles, each controlled release particle of which includes: (a) a core including at least one hydrophobic active material and an emulsifier which is an oil-soluble or oil-dispersible lecithin emulsifier; and (b) a wall at least partially surrounding the core and including an acid insoluble polymer, a colloidal silica, a water insoluble divalent salt, a film forming polymer, and optionally a powder flow aid, wherein the controlled release particle is configured to retain the at least one hydrophobic active material when exposed to an acidic aqueous solution with a pH less than 6, and to release the at least one hydrophobic active material when exposed to a basic aqueous solution with a pH greater than 7. A method for preparing the particles and compositions containing the particles are also disclosed.

IPC Classes  ?

• A61K 8/14 - Liposomes
• A23L 27/00 - SpicesFlavouring agents or condimentsArtificial sweetening agentsTable saltsDietetic salt substitutesPreparation or treatment thereof
• A23P 10/35 - Encapsulation of particles, e.g. foodstuff additives with oils, lipids, monoglycerides or diglycerides

Abstract

Disclosed is a composition including microcapsules, which include: a core composition including at least one hydrophobic active ingredient; and a wall partially or completely surrounding the core, wherein the wall includes at least one wall material that is a reaction product of a wall-forming reaction selected from: (A) a Type A reaction including: (i) reacting an amine moiety containing material with an epoxy and optionally an isocyanate; and (ii) reacting the isocyanate and at least one polyol; (B) a Type B reaction of a hydrolyzed protein with at least one of an epoxy and an organofunctional silane, and optionally an isocyanate; and (C) a Type C reaction of an amine moiety containing material with at least one of an epoxy and an oil soluble dialdehyde, and optionally an isocyanate. A method for preparing the composition is also disclosed.

IPC Classes  ?

• B01J 13/16 - Interfacial polymerisation
• A61K 9/50 - Microcapsules
• B01J 13/14 - Polymerisation, crosslinking
• B01J 13/22 - Coating
• B01J 13/04 - Making microcapsules or microballoons by physical processes, e.g. drying, spraying
• B01J 13/08 - Simple coacervation, i.e. addition of highly hydrophilic material

Abstract

Disclosed is a composition including controlled release particles, wherein each of the controlled release particles includes: (a) a core including at least one hydrophobic active ingredient; and (b) a wall at least partially surrounding the core and including: (i) an outer layer including a polyurea; (ii) an intermediate layer under the outer layer and including a carbamic-carboxylic anhydride; (iii) an inner layer under the intermediate layer and including an acrylate copolymer; and optionally (iv) an optional outer layer above the outer layer and including a quaternary amine containing moiety, wherein the viscosity of the core can be manipulated from a low viscosity liquid to a semisolid. A method for preparing the composition is also disclosed.

IPC Classes  ?

• B01J 13/16 - Interfacial polymerisation
• C11D 17/00 - Detergent materials or soaps characterised by their shape or physical properties
• A61K 9/50 - Microcapsules
• A01N 25/28 - Microcapsules
• A23L 2/00 - Non-alcoholic beveragesDry compositions or concentrates thereforPreparation or treatment thereof
• A23L 27/00 - SpicesFlavouring agents or condimentsArtificial sweetening agentsTable saltsDietetic salt substitutesPreparation or treatment thereof

Abstract

Disclosed is a resin composition including a macromolecule crosslinked with polyamide epichlorohydrin, wherein the macromolecule is a polypeptide, a protein, a polysaccharide, an oligosaccharide, a polyphenol and/or a lipid. Further disclosed is a controlled release composition having a plurality of particles including: a core having at least one hydrophobic active ingredient and the resin composition; and a shell at least partially surrounding the core and effective to inhibit diffusion of the at least one hydrophobic active ingredient into an environment surrounding the controlled release composition. The controlled release composition is preferably a consumer product. A method for preparing the compositions is also disclosed.

IPC Classes  ?

• A61K 8/11 - Encapsulated compositions
• A61Q 19/00 - Preparations for care of the skin
• A01N 25/28 - Microcapsules
• A01P 7/04 - Insecticides
• C08G 81/00 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
• B01J 13/10 - Complex coacervation, i.e. interaction of oppositely charged particles
• B01J 13/16 - Interfacial polymerisation
• C11D 11/00 - Special methods for preparing compositions containing mixtures of detergents
• C11D 3/00 - Other compounding ingredients of detergent compositions covered in group
• C11D 3/50 - Perfumes

Abstract

A method is disclosed for preparing a composition including controlled release particles includes: (a) preparing an oil phase including at least one hydrophobic active ingredient, at least one isocyanate, at least one epoxy, at least one organofunctional silane, optionally at least one pre-reacted natural material resin, and optionally a plasticizer; (b) preparing an aqueous phase comprising an emulsifier; (c) combining the oil phase and the aqueous phase to provide an aqueous suspension; (d) adding at least one amine moiety containing material to provide a barrier; (e) heating; (f) adding a natural material to provide a microcapsule having hydroxyl moieties or amine moieties on a surface thereof; (g) adding an aldehyde to react with the surface moieties; and (h) adding structuring agents to provide the controlled release particles homogeneously suspended in an aqueous dispersion. The composition is also disclosed.

IPC Classes  ?

• B01J 13/16 - Interfacial polymerisation
• A23L 27/00 - SpicesFlavouring agents or condimentsArtificial sweetening agentsTable saltsDietetic salt substitutesPreparation or treatment thereof
• A61K 8/11 - Encapsulated compositions
• A61K 8/87 - Polyurethanes
• A61Q 5/02 - Preparations for cleaning the hair
• A61Q 5/12 - Preparations containing hair conditioners
• A61Q 13/00 - Formulations or additives for perfume preparations
• A61Q 15/00 - Anti-perspirants or body deodorants
• A61Q 19/10 - Washing or bathing preparations
• C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
• C08G 18/58 - Epoxy resins
• C08K 5/17 - AminesQuaternary ammonium compounds
• C11B 9/00 - Essential oilsPerfumes
• C11D 3/00 - Other compounding ingredients of detergent compositions covered in group
• C11D 3/50 - Perfumes
• C08F 222/06 - Maleic anhydride
• C08L 1/02 - CelluloseModified cellulose

Abstract

Disclosed is a modified biopolymer having the formula A-XY wherein: (a) A is a starting material selected from the group consisting of a polysaccharide, a protein and a cellulose; (b) X is a first moiety bearing a functionality co-reactive with A; (c) Y is a second moiety covalently bound to X, capable of undergoing free radical polymerization and bearing at least two ethylenically unsaturated functional groups; (d) the starting material A and the first moiety X are linked covalently through linkages selected from the group consisting of an ester, an amide, a urethane, a urea, a sulfonate ester, a phosphate ester and an ether; and (e) a degree of substitution of the starting material A with the first moiety X is less than 0.5 but more than 0.1. Compositions including the modified biopolymer and methods for making them are also disclosed.

IPC Classes  ?

• C08F 251/00 - Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
• A61K 8/11 - Encapsulated compositions
• A61K 8/91 - Graft copolymers
• A61Q 5/02 - Preparations for cleaning the hair
• A61Q 5/12 - Preparations containing hair conditioners
• A61Q 19/10 - Washing or bathing preparations
• B01J 13/16 - Interfacial polymerisation
• C11D 3/00 - Other compounding ingredients of detergent compositions covered in group
• C11D 3/37 - Polymers
• C11D 3/50 - Perfumes

Abstract

Disclosed is a composition including controlled release particles, wherein each of the controlled release particles includes: (a) a core including at least one hydrophobic active ingredient; and (b) a wall at least partially surrounding the core and including: (i) an organofunctional silane; (ii) an epoxy; (iii) an amine; (iv) an isocyanate; (v) an epoxide curing agent; wherein the controlled release particles are effective to retain the at least one hydrophobic active ingredient upon exposure to water and effective to release the at least one hydrophobic active ingredient in response to friction. A method for preparing the composition is also disclosed.

IPC Classes  ?

• B01J 13/14 - Polymerisation, crosslinking
• A61K 8/11 - Encapsulated compositions
• B01J 13/16 - Interfacial polymerisation
• C11D 3/50 - Perfumes

Abstract

Disclosed is a biodegradable resin composite material including a biodegradable polymer resin and multifunctional particles, wherein: (a) the multifunctional particles include 10-70 wt. % of a hydrophobic active ingredient, 21-72 wt. % of a polysaccharide, 3.80-20 wt. % of a crosslinking agent, 1.00-6 wt. % of a catalyst, 0.10-5 wt. % of a silica flow aid, optionally 0.10-5 wt. % of a desiccant, optionally 0.20-20 wt. % emulsifier, optionally 1-10 wt. % of a degradation enhancer, and optionally 1-10 wt. % of particle dispersion aids; (b) the multifunctional particles are anhydrous; and (c) the hydrophobic active ingredient is encapsulated in a crosslinked polysaccharide matrix. Alternative multifunctional particles useful in the invention are also disclosed.

IPC Classes  ?

• C08L 67/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
• B01J 13/14 - Polymerisation, crosslinking
• C08J 3/20 - Compounding polymers with additives, e.g. colouring

Abstract

Disclosed are controlled release particles including: (a) a flavor oil; (b) a plant derived fat; (c) a plant derived wax; (d) a plant derived surfactant; and (e) optionally an anti-oxidant. The particles are particularly useful as a flavor delivery system of a personal care product, an oral care product, a powdered food product, a fluid food product, a powdered nutritional supplement, a fluid nutritional supplement, a bakery dough, a dairy product, a savory food product, a noodle bowl and a non-animal based meat analogue.

IPC Classes  ?

• A23L 27/10 - Natural spices, flavouring agents or condimentsExtracts thereof
• A23J 3/22 - Working-up of proteins for foodstuffs by texturising
• A23P 30/20 - Extruding
• A61K 8/92 - Oils, fats or waxesDerivatives thereof, e.g. hydrogenation products
• A61Q 11/00 - Preparations for care of the teeth, of the oral cavity or of dentures, e.g. dentifrices or toothpastesMouth rinses

Abstract

Disclosed are controlled release particles including: (a) a core including at least one vitamin which is oil-soluble or oil-dispersible; and (b) a wall at least partially surrounding the core, wherein the controlled release particles are produced by reacting (i) a first composition including a hydrophobic oil, the at least one vitamin, an anti-oxidant and a wax with (ii) a second composition including a water soluble emulsifier, a corn protein and a solvent to form an intermediate product, which is mixed with (iii) a third composition including a cellulosic polymer in water, and dehydrated to provide the controlled release particles. A method for preparing the particles and compositions containing the particles are also disclosed.

IPC Classes  ?

• A61K 9/50 - Microcapsules
• A61K 47/42 - ProteinsPolypeptidesDegradation products thereofDerivatives thereof, e.g. albumin, gelatin or zein
• A61K 47/36 - PolysaccharidesDerivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
• A61K 47/26 - Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharidesDerivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin
• A61K 47/44 - Oils, fats or waxes according to two or more groups of Natural or modified natural oils, fats or waxes, e.g. castor oil, polyethoxylated castor oil, montan wax, lignite, shellac, rosin, beeswax or lanolin
• A61K 47/02 - Inorganic compounds
• A61K 31/59 - Compounds containing 9,10-seco-cyclopenta[a]hydro- phenanthrene ring systems
• A61K 31/07 - Retinol compounds, e.g. vitamin A
• A61K 31/355 - Tocopherols, e.g. vitamin E
• A61K 31/375 - Ascorbic acid, i.e. vitamin CSalts thereof

Abstract

Disclosed is a composition including controlled release particles, wherein each of the controlled release particles includes: (a) a core including at least one hydrophobic active ingredient; and (b) a wall at least partially surrounding the core and including the reaction products of: (i) an organofunctional silane; (ii) an epoxy; (iii) an amine; (iv) an isocyanate; (v) an epoxide curing agent; wherein the controlled release particles are effective to retain the at least one hydrophobic active ingredient upon exposure to water and effective to release the at least one hydrophobic active ingredient in response to friction. A method for preparing the composition is also disclosed.

IPC Classes  ?

• B01J 13/14 - Polymerisation, crosslinking
• A61K 8/11 - Encapsulated compositions
• B01J 13/16 - Interfacial polymerisation
• C08K 5/17 - AminesQuaternary ammonium compounds
• C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
• C08G 18/58 - Epoxy resins
• A61Q 5/02 - Preparations for cleaning the hair
• A61Q 5/12 - Preparations containing hair conditioners
• A61Q 15/00 - Anti-perspirants or body deodorants
• A61Q 19/00 - Preparations for care of the skin
• A61Q 19/10 - Washing or bathing preparations
• C11B 9/00 - Essential oilsPerfumes
• C11D 3/00 - Other compounding ingredients of detergent compositions covered in group
• C11D 3/50 - Perfumes
• C08L 1/02 - CelluloseModified cellulose
• C08F 222/06 - Maleic anhydride

Abstract

Disclosed is a composition including controlled release particles, wherein each of the controlled release particles includes: (a) a core including at least one hydrophobic active ingredient; and (b) a wall at least partially surrounding the core and including the reaction products of: (i) an organofunctional silane; (ii) an epoxy; (iii) an amine; (iv) an isocyanate; (v) an epoxide curing agent; wherein the controlled release particles are effective to retain the at least one hydrophobic active ingredient upon exposure to water and effective to release the at least one hydrophobic active ingredient in response to friction. A method for preparing the composition is also disclosed.

IPC Classes  ?

• B01J 13/16 - Interfacial polymerisation
• C08K 5/17 - AminesQuaternary ammonium compounds
• C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
• C08G 18/58 - Epoxy resins
• A61K 8/11 - Encapsulated compositions
• A61Q 5/02 - Preparations for cleaning the hair
• A61Q 5/12 - Preparations containing hair conditioners
• A61Q 15/00 - Anti-perspirants or body deodorants
• A61Q 19/00 - Preparations for care of the skin
• A61Q 19/10 - Washing or bathing preparations
• B01J 13/14 - Polymerisation, crosslinking
• C11B 9/00 - Essential oilsPerfumes
• C11D 3/00 - Other compounding ingredients of detergent compositions covered in group
• C11D 3/50 - Perfumes
• C08L 1/02 - CelluloseModified cellulose
• C08F 222/06 - Maleic anhydride

Abstract

Disclosed is a composition including controlled release particles, wherein each of the controlled release particles includes: (a) a core including at least one hydrophobic active ingredient; and (b) a wall at least partially surrounding the core and including the reaction products of: (i) an organofunctional silane; (ii) an epoxy; (iii) an amine; (iv) an isocyanate; (v) an epoxide curing agent; wherein the controlled release particles are effective to retain the at least one hydrophobic active ingredient upon exposure to water and effective to release the at least one hydrophobic active ingredient in response to friction. A method for preparing the composition is also disclosed.

IPC Classes  ?

• B01J 13/16 - Interfacial polymerisation
• C08K 5/17 - AminesQuaternary ammonium compounds
• C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
• C08G 18/58 - Epoxy resins
• A61K 8/11 - Encapsulated compositions
• A61Q 5/02 - Preparations for cleaning the hair
• A61Q 5/12 - Preparations containing hair conditioners
• A61Q 15/00 - Anti-perspirants or body deodorants
• A61Q 19/00 - Preparations for care of the skin
• A61Q 19/10 - Washing or bathing preparations
• B01J 13/14 - Polymerisation, crosslinking
• C11B 9/00 - Essential oilsPerfumes
• C11D 3/00 - Other compounding ingredients of detergent compositions covered in group
• C11D 3/50 - Perfumes
• C08L 1/02 - CelluloseModified cellulose
• C08F 222/06 - Maleic anhydride

Abstract

Disclosed is a composition including controlled release particles, wherein each of the controlled release particles includes: (a) a core including at least one hydrophobic active ingredient; and (b) a wall at least partially surrounding the core and including: (i) an outer layer including a copolymer of polyacrylamide and polyacrylate; (ii) an intermediate layer under the outer layer and including a polyurea; (iii) an inner layer under the intermediate layer and including an acrylate copolymer; and optionally (iv) an optional outer layer above the outer layer and including a quaternary amine containing moiety, wherein the inner layer is a mesh and the controlled release particles are effective to retain the at least one hydrophobic active ingredient upon exposure to water and effective to release the at least one hydrophobic active ingredient in response to friction. A method for preparing the composition is also disclosed.

IPC Classes  ?

• B01J 13/16 - Interfacial polymerisation
• A01N 25/28 - Microcapsules
• A61K 9/50 - Microcapsules
• C09B 67/02 - Dyestuff preparations characterised by special physical forms, e.g. tablets, films
• C11D 3/50 - Perfumes
• F28D 20/02 - Heat storage plants or apparatus in generalRegenerative heat-exchange apparatus not covered by groups or using latent heat
• A23L 27/00 - SpicesFlavouring agents or condimentsArtificial sweetening agentsTable saltsDietetic salt substitutesPreparation or treatment thereof

Abstract

Disclosed is a composition including controlled release particles, wherein each of the controlled release particles includes: (a) a core including at least one hydrophobic active ingredient; and (b) a wall at least partially surrounding the core and including: (i) an outer layer including a copolymer of polyacrylamide and polyacrylate; (ii) an intermediate layer under the outer layer and including a polyurea; (iii) an inner layer under the intermediate layer and including an acrylate copolymer; and optionally (iv) an optional outer layer above the outer layer and including a quaternary amine containing moiety, wherein the inner layer is a mesh and the controlled release particles are effective to retain the at least one hydrophobic active ingredient upon exposure to water and effective to release the at least one hydrophobic active ingredient in response to friction. A method for preparing the composition is also disclosed.

IPC Classes  ?

• B01J 13/16 - Interfacial polymerisation
• B23Q 16/02 - Indexing equipment
• A61K 9/50 - Microcapsules
• A61K 8/11 - Encapsulated compositions
• A23L 27/00 - SpicesFlavouring agents or condimentsArtificial sweetening agentsTable saltsDietetic salt substitutesPreparation or treatment thereof
• A01N 25/28 - Microcapsules
• C11D 3/37 - Polymers
• C11D 3/50 - Perfumes
• C11D 17/00 - Detergent materials or soaps characterised by their shape or physical properties
• F28D 20/02 - Heat storage plants or apparatus in generalRegenerative heat-exchange apparatus not covered by groups or using latent heat

Abstract

Disclosed are: (a) controlled release matrix particles containing 10-70 wt. % of a hydrophobic active ingredient, 21-72 wt. % of a polysaccharide, 3.80-12 wt. % of a crosslinking agent, 1.00-6 wt. % of a catalyst and 0.10-5 wt. % of a silica flow aid; (b) controlled release core/shell particles containing 10-70 wt. % of a hydrophobic active ingredient, 1.0-3.2 wt. % of an epoxidized oil, 21-64 wt. % of a polysaccharide, 7.6-23% of an amine-functionality containing material, and 0.10-5 wt. % of a silica flow aid; and (c) hybrid particles wherein the core/shell particles are contained in a matrix. Also disclosed are methods for making the particles and compositions containing the particles.

IPC Classes  ?

• A61K 8/02 - Cosmetics or similar toiletry preparations characterised by special physical form
• A61K 8/25 - SiliconCompounds thereof
• A61K 8/73 - Polysaccharides
• A61K 8/92 - Oils, fats or waxesDerivatives thereof, e.g. hydrogenation products
• A61K 9/16 - AgglomeratesGranulatesMicrobeadlets
• A61Q 5/02 - Preparations for cleaning the hair
• A61Q 5/12 - Preparations containing hair conditioners
• C09K 3/30 - Materials not provided for elsewhere for aerosols
• C11D 3/00 - Other compounding ingredients of detergent compositions covered in group
• C11D 3/08 - Silicates
• C11D 3/12 - Water-insoluble compounds
• C11D 3/22 - Carbohydrates or derivatives thereof
• C11D 3/37 - Polymers
• C11D 3/50 - Perfumes
• A01N 25/28 - Microcapsules
• A23L 27/00 - SpicesFlavouring agents or condimentsArtificial sweetening agentsTable saltsDietetic salt substitutesPreparation or treatment thereof
• A61Q 13/00 - Formulations or additives for perfume preparations
• A61Q 15/00 - Anti-perspirants or body deodorants
• A61Q 19/00 - Preparations for care of the skin
• A61Q 19/10 - Washing or bathing preparations
• B01J 13/04 - Making microcapsules or microballoons by physical processes, e.g. drying, spraying
• C11D 17/00 - Detergent materials or soaps characterised by their shape or physical properties
• F28D 20/02 - Heat storage plants or apparatus in generalRegenerative heat-exchange apparatus not covered by groups or using latent heat

Abstract

Disclosed are: (a) controlled release matrix particles containing 10-70 wt.% of a hydrophobic active ingredient, 21-72 wt.% of a polysaccharide, 3.80-12 wt.% of a crosslinking agent, 1.00-6 wt.% of a catalyst and 0.10-5 wt.% of a silica flow aid; (b) controlled release core/shell particles containing 10-70 wt.% of a hydrophobic active ingredient, 1.0-3.2 wt.% of an epoxidized oil, 21-64 wt.% of a polysaccharide, 7.6-23% of an amine-functionality containing material, and 0.10-5 wt.% of a silica flow aid; and (c) hybrid particles wherein the core/shell particles are contained in a matrix. Also disclosed are methods for making the particles and compositions containing the particles.

IPC Classes  ?

• A01N 25/28 - Microcapsules
• A23L 27/00 - SpicesFlavouring agents or condimentsArtificial sweetening agentsTable saltsDietetic salt substitutesPreparation or treatment thereof
• A61K 9/50 - Microcapsules
• B01J 13/04 - Making microcapsules or microballoons by physical processes, e.g. drying, spraying
• C09B 67/02 - Dyestuff preparations characterised by special physical forms, e.g. tablets, films
• C11D 3/50 - Perfumes
• F28D 20/02 - Heat storage plants or apparatus in generalRegenerative heat-exchange apparatus not covered by groups or using latent heat

Abstract

Disclosed are: (a) controlled release matrix particles containing 10-70 wt.% of a hydrophobic active ingredient, 21-72 wt.% of a polysaccharide, 3.80-12 wt.% of a crosslinking agent, 1.00-6 wt.% of a catalyst and 0.10-5 wt.% of a silica flow aid; (b) controlled release core/shell particles containing 10-70 wt.% of a hydrophobic active ingredient, 1.0-3.2 wt.% of an epoxidized oil, 21-64 wt.% of a polysaccharide, 7.6-23% of an amine-functionality containing material, and 0.10-5 wt.% of a silica flow aid; and (c) hybrid particles wherein the core/shell particles are contained in a matrix. Also disclosed are methods for making the particles and compositions containing the particles.

IPC Classes  ?

• B01J 13/04 - Making microcapsules or microballoons by physical processes, e.g. drying, spraying
• A01N 25/28 - Microcapsules
• A61K 9/50 - Microcapsules
• C09B 67/02 - Dyestuff preparations characterised by special physical forms, e.g. tablets, films
• C11D 3/50 - Perfumes
• F28D 20/02 - Heat storage plants or apparatus in generalRegenerative heat-exchange apparatus not covered by groups or using latent heat
• A23L 27/00 - SpicesFlavouring agents or condimentsArtificial sweetening agentsTable saltsDietetic salt substitutesPreparation or treatment thereof