C08L33/066

Intraocular lens compositions
11642217 · 2023-05-09 · ·

The present invention provides novel intraocular lens compositions comprising a hydroxyl functional acrylic monomerand have a high Abbe number, minimal glistenings, and suitable mechanical properties for small incision delivery.

Intraocular lens compositions
11642217 · 2023-05-09 · ·

The present invention provides novel intraocular lens compositions comprising a hydroxyl functional acrylic monomerand have a high Abbe number, minimal glistenings, and suitable mechanical properties for small incision delivery.

Medical devices including medicaments and methods of making and using same including enhancing comfort, enhancing drug penetration, and treatment of myopia
11510869 · 2022-11-29 ·

The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures that alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating.

FORMALDEHYDE-FREE AQUEOUS CURABLE COMPOSITION
20230175200 · 2023-06-08 ·

The present disclosure relates to a formaldehyde-free aqueous curable composition comprising: A) a polymer polymerized from a monomer mixture comprising (a) 30-90 wt % of C.sub.1-C.sub.10 alkyl acrylate; (b) 10-60 wt % of vinylaromatics; (c) 0.5-10 wt % of an ethylenically unsaturated compound having at least two carboxylic acid groups; (d) 0-10 wt % of an ethylenically unsaturated acid having one carboxylic acid group; (e) 0-5 wt % of other ethylenically unsaturated monomers; wherein the percentages are based on the total weight of the monomer mixture; and B) a titanium catalyst.

POLYMERIC COMPOSITION EXHIBITING NANOGRADIENT OF REFRACTIVE INDEX
20220363795 · 2022-11-17 ·

Ionized radiation-absorbed, dose sensitive, highly flexible polymeric compositions are provided that exhibits multidirectional changes in refractive index. Also provided are methods of producing a precision multi-directional nanogradient of refractive index in a polymeric composition.

METALLIC PAINTS WITH HIGH HIDING POWER AND ORGANIC BINDER RESIN FOR THESE PAINTS
20220056304 · 2022-02-24 ·

The invention relates to organic binder resins for aqueous coatings, comprising: a) a polymer P1, bearing reactive groups X1: hydroxyl and Y1: carboxyl with an OH number as a weight percentage of OH ranging from 2% to 5% and an acid number IA mg KOH/g of at least 10, said polymer P1 having a mass Mn1 of less than 25 000, and b) a polymer P2 bearing reactive groups X2: hydroxyl with an OH number as a weight percentage of OH ranging from 0.5% to 2.5%, groups Y2: carboxyl with an acid number IA in mg KOH/g<25, and groups Z2 chosen from acetoxy and/or diacetone and said polymer P2 having a mass Mn2 of greater than 500,000.

The invention also relates to a process for preparing said resin, to a metallic coating composition comprising said resin and metallic pigment, and to the use thereof.

METALLIC PAINTS WITH HIGH HIDING POWER AND ORGANIC BINDER RESIN FOR THESE PAINTS
20220056304 · 2022-02-24 ·

The invention relates to organic binder resins for aqueous coatings, comprising: a) a polymer P1, bearing reactive groups X1: hydroxyl and Y1: carboxyl with an OH number as a weight percentage of OH ranging from 2% to 5% and an acid number IA mg KOH/g of at least 10, said polymer P1 having a mass Mn1 of less than 25 000, and b) a polymer P2 bearing reactive groups X2: hydroxyl with an OH number as a weight percentage of OH ranging from 0.5% to 2.5%, groups Y2: carboxyl with an acid number IA in mg KOH/g<25, and groups Z2 chosen from acetoxy and/or diacetone and said polymer P2 having a mass Mn2 of greater than 500,000.

The invention also relates to a process for preparing said resin, to a metallic coating composition comprising said resin and metallic pigment, and to the use thereof.

Composition for forming thermoset film having photo alignment properties

A material from which a cured film exhibiting high solvent resistance, liquid crystal-alignment performance, heat resistance and high transparency can be formed. A composition for forming a thermoset film having photo alignment properties, the composition comprising: a component (A) that is an acrylic copolymer having a photodimerizing moiety and a thermal cross-linking moiety; a component (B) that is an acrylic polymer having at least one of a C.sub.2-5 alkyl ester group and a C.sub.2-5 hydroxyalkyl ester group and at least one of a carboxy group and a phenolic hydroxy group; and a component (C) that is a cross-linking agent.

Composition for forming thermoset film having photo alignment properties

A material from which a cured film exhibiting high solvent resistance, liquid crystal-alignment performance, heat resistance and high transparency can be formed. A composition for forming a thermoset film having photo alignment properties, the composition comprising: a component (A) that is an acrylic copolymer having a photodimerizing moiety and a thermal cross-linking moiety; a component (B) that is an acrylic polymer having at least one of a C.sub.2-5 alkyl ester group and a C.sub.2-5 hydroxyalkyl ester group and at least one of a carboxy group and a phenolic hydroxy group; and a component (C) that is a cross-linking agent.

Multiple-component composition for producing a corrosion inhibiting hydrogel
11254762 · 2022-02-22 · ·

A multiple-component composition that can be used for producing a corrosion inhibiting (meth)acrylic hydrogel. The multiple-component composition including at least one water soluble (meth)acrylic compound, at least one free radical initiator, at least one benzoate, and optionally at least one catalyst for free radical formation. A method for producing a hydrogel, to a hydrogel obtainable by the method, to a (meth)acrylic injection material, and to a method for sealing cracks, voids, flaws and cavities in building structures.