A coating composition comprises a urethane resin, a water absorbent polymer, and a curing agent. The urethane resin is obtained by reaction of an isocyanate reactive compound having multi-epoxide functionality and an isocyanate. When applied to a substrate and thermally cured, the coating composition forms a transparent and smooth coating having permanent anti-fog property.
A coating composition comprises a urethane resin, a water absorbent polymer, and a curing agent. The urethane resin is obtained by reaction of an isocyanate reactive compound having multi-epoxide functionality and an isocyanate. When applied to a substrate and thermally cured, the coating composition forms a transparent and smooth coating having permanent anti-fog property.
C08G 18/00 - Polymeric products of isocyanates or isothiocyanates
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
Dental coating compositions that have one or more of excellent properties including plaque resistance, microbial plaque resistance, strong adhesion, excellent hardness, high wear resistance, and high color resistance are provided. Dental appliance or natural tooth covered by the dental coating compositions, and production methods of the dental coating compositions are also provided. The coating compositions include one or more of a trifunctional or higher multifunctional (meth)acrylate monomer, an inorganic filler, a photoinitiator, and an organic solvent. The coating compositions are substantially free from antibacterial chemical additives.
The present disclosure provides a coating composition comprising an initiator, a radical curable polyurethane having ethylenically unsaturated functional groups, and a liquid phase, wherein the radical curable polyurethane having ethylenically unsaturated functional groups comprises the reaction products of A) a polyol component; B) a polyisocyanate component; C) an isocyanate-reactive surfactant; and D) isocyanate-reactive component having ethylenically unsaturated functional groups. The resulting cured polyurethane coating resists surface damage by fine particles and has at least washable anti-fog properties, if not permanent anti-fog properties. Articles prepared with a coating according to this invention are also disclosed.
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
The present disclosure provides a coating composition comprising an initiator, a radical curable polyurethane having ethylenically unsaturated functional groups, and a liquid phase, wherein the radical curable polyurethane having ethylenically unsaturated functional groups comprises the reaction products of A) a polyol component; B) a polyisocyanate component; C) an isocyanate-reactive surfactant; and D) isocyanate-reactive component having ethylenically unsaturated functional groups. The resulting cured polyurethane coating resists surface damage by fine particles and has at least washable anti-fog properties, if not permanent anti-fog properties. Articles prepared with a coating according to this invention are also disclosed.
Dental coating compositions that have one or more of excellent properties including plaque resistance, microbial plaque resistance, strong adhesion, excellent hardness, high wear resistance, and high color resistance are provided. Dental appliance or natural tooth covered by the dental coating compositions, and production methods of the dental coating compositions are also provided. The coating compositions include one or more of a trifunctional or higher multifunctional (meth)acrylate monomer, an inorganic filler, a photoinitiator, and an organic solvent. The coating compositions are substantially free from antibacterial chemical additives.
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Chemicals; chemical substances; chemical materials; chemical preparations; chemical additives; chemical compositions; industrial chemicals; chemical coatings and powders for ophthalmic lenses; preparations for preventing the tarnishing of lenses. Colorants; dyes; pigments; paints; lacquers; varnishes; resins; inks; photochromic pigments and dyes; colourants, dyes and pigments for use in the manufacture of lenses.
Disclosed herein are visible light curable coating compositions that provide transparent and abrasion-resistant coatings when cured on a substrate. The coating compositions comprise a difunctional acrylate monomer, a multifunctional urethane acrylate, a mercapto modified polyester acrylate, an organic solvent, a sole photoinitiator that is activated in the visible range of the electromagnetic spectrum, and optionally, a colloidal silica component. This invention also relates to articles coated with the visible light curable coating compositions of the invention and processes for preparation of such coated polymeric substrates, such as processes for surface restoration of mounted parts, such as surface restoration of automotive headlamps.
C09D 167/07 - Unsaturated polyesters having carbon-to-carbon unsaturation having terminal carbon-to-carbon unsaturated bonds
B05D 3/06 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
B05D 3/10 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
B05D 1/30 - Processes for applying liquids or other fluent materials performed by gravity only, i.e. flow coating
B05D 1/28 - Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
A coating composition may include one or more radiation-curable resins having reactive groups in a hydrophilic region, a reactive surfactant comprising a reactive moiety; and a photoinitiator, wherein, upon the exposure of the photoinitiator to light energy, the one or more radiation-curable resins are cured to form a hydrophilic network with the reactive surfactant being bound to the network by binding of the reactive moiety of the surfactant to the reactive groups of the one or more radiation-curable resins. The cured coatings provide long lasting, washable, anti-fog properties.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09D 133/14 - Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
C09D 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
Disclosed are articles having a thermoplastic photochromic coating. The articles exhibit a Bayer Abrasion ratio of at least 2 and desirable photochromic properties, i.e., the formation of darker activated colors and faster rates of photochromic activation and fade when irradiated with ultraviolet light.
C09D 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
C09D 133/24 - Homopolymers or copolymers of amides or imides
G03C 1/73 - Photosensitive compositions not covered by groups containing organic compounds
C09D 153/00 - Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCoating compositions based on derivatives of such polymers
Disclosed are articles having a thermoplastic photochromic coating. The articles exhibit a Bayer Abrasion ratio of at least 2 and desirable photochromic properties, i.e., the formation of darker activated colors and faster rates of photochromic activation and fade when irradiated with ultraviolet light.
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
C09D 5/29 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes for multicolour effects
C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
C09D 153/00 - Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCoating compositions based on derivatives of such polymers
G03C 1/74 - Applying photosensitive compositions to the baseDrying processes therefor
G03C 1/73 - Photosensitive compositions not covered by groups containing organic compounds
C09D 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
C09D 133/24 - Homopolymers or copolymers of amides or imides
C08J 7/043 - Improving the adhesiveness of the coatings per se, e.g. forming primers
09 - Scientific and electric apparatus and instruments
Goods & Services
Photochromic liquid coating systems for use in applying to plastic or glass substrates that, when cured, will darken or change color, or both, when exposed to ultraviolet light and return to the prior clear or color-free state when the ultraviolet light is removed. Equipment for measuring photochromic performance of photochromic liquid coating systems.
09 - Scientific and electric apparatus and instruments
Goods & Services
Photochromic liquid coating systems comprised of one or more of a primer coating composition, a photochromic coating composition, and an abrasion-resistant hardcoat coating composition for use in applying to plastic or glass substrates that, when cured, will darken or change color, or both, when exposed to ultraviolet light and return to the prior clear or color-free state when the ultraviolet light is removed Equipment, namely, electronic instrument for measuring photochromic performance of photochromic liquid coating systems
A coating composition may include one or more radiation-curable resins having reactive groups in a hydrophilic region, a reactive surfactant comprising a reactive moiety; and a photoinitiator, wherein, upon the exposure of the photoinitiator to light energy, the one or more radiation-curable resins are cured to form a hydrophilic network with the reactive surfactant being bound to the network by binding of the reactive moiety of the surfactant to the reactive groups of the one or more radiation-curable resins. The cured coatings provide long lasting, washable, anti-fog properties.
B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
C03C 17/32 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
A coating composition may include one or more radiation-curable resins having reactive groups in a hydrophilic region, a reactive surfactant comprising a reactive moiety; and a photoinitiator, wherein, upon the exposure of the photoinitiator to light energy, the one or more radiation-curable resins are cured to form a hydrophilic network with the reactive surfactant being bound to the network by binding of the reactive moiety of the surfactant to the reactive groups of the one or more radiation-curable resins. The cured coatings provide long lasting, washable, anti-fog properties.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C09D 133/14 - Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
C09D 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
Abrasion-resistant coating compositions, namely, coating compositions that, when cured, produce abrasion, scratch, and chemical resistant coatings on plastic substrates
Disclosed herein are stable organosiloxane coating compositions comprising a blocked isocyanate silane and at least one polyol that provide abrasion resistant coatings for transparent polymer substrates. The cured coatings also have excellent adhesion to the polymer substrates. In accordance with certain embodiments, the disclosed coating compositions, which when cured on the substrate, provide formable, weatherable, anti-fog, or combinations of formable, weatherable, or anti-fog organosiloxane coatings. Also disclosed herein are articles comprising coatings cured from such coating compositions, and processes for making the coating compositions.
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
24.
Coating compositions comprising a blocked isocyanate silane
Disclosed herein are stable organosiloxane coating compositions comprising a blocked isocyanate silane and at least one polyol that provide abrasion resistant coatings for transparent polymer substrates. The cured coatings also have excellent adhesion to the polymer substrates. In accordance with certain embodiments, the disclosed coating compositions, which when cured on the substrate, provide formable, weatherable, anti-fog, or combinations of formable, weatherable, or anti-fog organosiloxane coatings. Also disclosed herein are articles comprising coatings cured from such coating compositions, and processes for making the coating compositions.
C08G 18/28 - Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
Disclosed herein are aminoplast resin-based coating compositions that provide formable, abrasion-resistant, and weatherable coatings when cured on the substrate. The coating compositions comprise an aminoplast resin; a curing catalyst; a first polyol having an average molecular weight greater than 300; a second polyol having an average molecular weight less than or equal to 300; and at least 5% by weight solids of at least two 2- hydroxyphenol benzotriazole (HPBT)-containing compounds based on the total solids of the coating composition. Also disclosed herein are articles comprising coatings cured from such coating compositions.
C09D 161/20 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
C09D 161/28 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
C09D 167/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
Disclosed herein are aminoplast resin-based coating compositions that provide formable, abrasion-resistant, and weatherable coatings when cured on the substrate. The coating compositions comprise an aminoplast resin; a curing catalyst; a first polyol having an average molecular weight greater than 300; a second polyol having an average molecular weight less than or equal to 300; and at least 5% by weight solids of at least two 2-hydroxyphenol benzotriazole (HPBT)-containing compounds based on the total solids of the coating composition. Also disclosed herein are articles comprising coatings cured from such coating compositions.
C09D 161/20 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
C09D 161/28 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
27.
ANTI-FOG NANOTEXTURED SURFACES AND ARTICLES CONTAINING THE SAME
Disclosed herein are anti-fog, transparent nanotextured surfaces for transparent substrates. Also disclosed are articles comprising substrates having the anti-fog transparent nanotextured surfaces formed thereon.
B32B 3/30 - 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 a particular shape of the outline of the cross-section of a continuous layerLayered 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 a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
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
B08B 17/06 - Preventing deposition of fouling or of dust by giving articles subject to fouling a special shape for arrangement
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
C08G 65/331 - Polymers modified by chemical after-treatment with organic compounds containing oxygen
C08G 65/332 - Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides or esters thereof
C08G 65/333 - Polymers modified by chemical after-treatment with organic compounds containing nitrogen
A photochromic polymer comprising at least two photochromic moieties linked by a straight or branched chain polymer selected from the group consisting of a homo-polyester, a co-polyester, and a co-polyester-polyether.
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
C08G 63/16 - Dicarboxylic acids and dihydroxy compounds
C08G 63/685 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing nitrogen
C08G 63/12 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers
2 are the same or different divalent hydrocarbon groups; Z is a hydrogen or a monovalent hydrocarbon group; a is an integer from 1 to 3; and b is an integer from 0 to 6. Also disclosed herein are processes for preparing such coating compositions and articles comprising coatings cured from such coating compositions.
C08G 18/67 - Unsaturated compounds having active hydrogen
C08J 3/28 - Treatment by wave energy or particle radiation
C08F 2/46 - Polymerisation initiated by wave energy or particle radiation
C08G 61/04 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
Abrasion-resistant coatings, primers and solvent mixtures for use in industry on substrates to withstand abrasion, chemical attack, and long-term weather exposure.
Polyurethane coating compositions that provide transparent, abrasion-resistant, and water-washable anti-fog coatings when applied to a substrate and cured are described herein. These polyurethane coating compositions have surfactants that are chemically associated with the polyurethane so as to not leach out or wash away when the coating surface is soaked or washed with water. The polyurethane coating compositions comprise isocyanate-reactive surfactants, isocyanate-reactive salts of surfactants, carboxylic-reactive surfactants, or combinations thereof that are chemically bonded to the polyurethane. Articles coated with such polyurethane coating compositions, and processes for applying the coating compositions to a substrate, are also provided herein.
Polyurethane coating compositions that provide transparent, abrasion-resistant, and water-washable anti-fog coatings when applied to a substrate and cured are described herein. These polyurethane coating compositions have surfactants that are chemically associated with the polyurethane so as to not leach out or wash away when the coating surface is soaked or washed with water. The polyurethane coating compositions comprise isocyanate-reactive surfactants, isocyanate-reactive salts of surfactants, carboxylic-reactive surfactants, or combinations thereof that are chemically bonded to the polyurethane. Articles coated with such polyurethane coating compositions, and processes for applying the coating compositions to a substrate, are also provided herein.
C08K 5/5465 - Silicon-containing compounds containing nitrogen containing at least one C=N bond
B05D 3/00 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
34.
Coating compositions, articles, and methods of coating articles
Coating compositions, articles, and methods of coating articles are provided. The coating compositions and methods provide abrasion resistant formable coatings when cured on a substrate. The articles can be formed after the coating compositions are applied to a substrate and cured.
B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
C09D 183/06 - Polysiloxanes containing silicon bound to oxygen-containing groups
35.
Anti-fog organosiloxane coating compositions and coatings
Stable organosiloxane coating compositions that provide transparent, abrasion-resistant, chemical-resistant, low-tack, and water-washable anti-fog coatings when cured, are described herein. The coating compositions comprise an epoxy functional alkoxysilane, a tetrafunctional alkoxysilane, an alkoxysilyl functional polymer having polyethylene oxide segments, an alkoxysilyl functional cationic surfactant, and a carboxylic acid functional compound. Articles coated with the coating compositions, processes for coating substrates with the anti-fog coating compositions, and processes for making the coating compositions are also described herein.
Stable organosiloxane coating compositions that provide transparent, abrasion- resistant, chemical-resistant, low-tack, and water-washable anti-fog coatings when cured, are described herein. The coating compositions comprise an epoxy functional alkoxysilane, a telxafunctional alkoxysilane, an alkoxysilyl functional polymer having polyethylene oxide segments, an alkoxysilyl functional cationic surfactant, and a carboxylic acid functional compound. Articles coated with the coating compositions, processes for coating substrates with the anti-fog coating compositions, and processes for making the coating compositions are also described herein.
B32B 9/00 - Layered products essentially comprising a particular substance not covered by groups
C08G 77/60 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon in which all the silicon atoms are connected by linkages other than oxygen atoms
37.
HIGH REFRACTIVE INDEX AQUEOUS POLYURETHANE DISPERSION COATING COMPOSITIONS
High refractive index aqueous polyurethane dispersion primer coating compositions that provide transparent, impact-resistant, and adhesive primer coatings when applied and cured on a substrate, are provided herein. These polyurethane coating compositions coating compositions comprise a polyurethane polymer having aromatic functional groups in an amount ranging from about 16% to about 42% by weight of the solids of the polyurethane polymer and provide primer coatings having a refractive index ranging from about 1.53 to about 1.63. Processes for making such high refractive index coating compositions; processes for coating substrates with such high refractive index coating compositions; and articles coated with such high refractive index coating compositions are also provided herein.
A photochromic polymer comprising at least one siloxane oligomer and at least two photochromic groups covalently linked to one or both terminuses of the siloxane oligomer and compositions containing photochromic siloxane polymers with narrow polydispersity. The photochromic polymer enhances switching speed in rigid host polymers.
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
C08G 77/26 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen nitrogen-containing groups
C08L 31/04 - Homopolymers or copolymers of vinyl acetate
C08G 77/388 - Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon containing nitrogen
C08L 27/08 - Homopolymers or copolymers of vinylidene chloride
C08L 29/14 - Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
C08L 27/06 - Homopolymers or copolymers of vinyl chloride
C08L 83/06 - Polysiloxanes containing silicon bound to oxygen-containing groups
C08L 83/08 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
Coating compositions, articles, and methods of coating articles are provided. The coating compositions and methods provide abrasion resistant formable coatings when cured on a substrate. The articles can be formed after the coating compositions are applied to a substrate and cured.
B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
C09D 183/06 - Polysiloxanes containing silicon bound to oxygen-containing groups
40.
Coating compositions, articles, and methods of coating articles
Coating compositions, articles, and methods of coating articles are provided. The coating compositions and methods provide abrasion resistant formable coatings when cured on a substrate. The articles can be formed after the coating compositions are applied to a substrate and cured. Abrasion resistant, tintable coatings are also provided.
B05D 3/00 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
41.
Coating compositions, articles, and methods of coating articles
Processes for tinting a transparent, abrasion-resistant coating that is coated on at least one surface of a substrate are provided. The processes include coating the substrate with a transparent, tintable, abrasion-resistant coating composition, curing the coating composition on the substrate, and tinting the cured coating by immersing the cured coating in a dye bath for a period of time.
B05D 5/06 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
42.
Coating compositions, articles, and methods of coating articles
Coating compositions, articles, and methods of coating articles are provided. The coating compositions and methods provide abrasion resistant formable coatings when cured on a substrate. The articles can be formed after the coating compositions are applied to a substrate and cured. Abrasion resistant, tintable coatings are also provided.
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
ABRASION RESISTANT COATINGS FOR USE IN INDUSTRY ON ALL SUBSTRATES REQUIRING THE ABILITY TO WITHSTAND ABRASION, CHEMICAL ATTACK AND LONG-TERM WEATHER EXPOSURE
Abrasion-resistant coatings for use in industry on all substrates requiring the ability to withstand abrasion, chemical attack, and long-term weather exposure
Disclosed are articles having a thermoplastic photochromic coating. The articles exhibit a Bayer Abrasion ratio of at least 2 and desirable photochromic properties, i.e., the formation of darker activated colors and faster rates of photochromic activation and fade when irradiated with ultraviolet light.
C09D 153/00 - Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCoating compositions based on derivatives of such polymers
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
