Granted Patent B1

US 7,008,618 · App. 10/290,978 · Granted Mar 7, 2006

Abstract

Claims (28)

1. A composition for protecting a substrate from the effect of ultraviolet light comprising about 0.1 to about 10 weight percent, based on polymer actives, of one or more water-soluble, cationic, ultraviolet light absorbing polymers, wherein the cationic, ultraviolet light absorbing polymers are prepared by polymerizing one or more vinyl, allyl or acrylic monomers with one or more vinyl or acrylic monomers that absorb ultraviolet light radiation having a wavelength of about 200 to about 420 nm.

2. The composition of claim 1 wherein the ultraviolet light absorbing polymers are composed of:

about 0.001 to about 60 mole percent of monomer A;

ii) 0 to about 99.999 mole percent of monomer B;

iii) 0 to about 99.999 mole percent of monomer C; and

iv) 0 to about 99.999 mole percent of monomer D,

wherein

monomer A is selected from the group consisting of vinyl and acrylic monomers that absorb ultraviolet light radiation having a wavelength of about 200 to about 420 nm;

monomers B and C are selected from the group consisting of acrylic acid and salts thereof, methacrylic acid and salts thereof, maleic acid and salts thereof, maleic anhydride, acrylamide, crotonic acid, acrylamidomethyl propane sulfonic acid and salts thereof; and

monomer D is selected from the group consisting of acrylic acid and salts thereof, methacrylic acid and salts thereof, itaconic acid and salts thereof, maleic acid and salts thereof, maleic anhydride, crotonic acid and salts thereof, acrylamide, methacrylamide, vinyl sulfonic acid, styrene sulfonate, N-tertbutylacrylamide, N-isopropylacrylamide, butoxymethylacrylamide, N,N-dimethylacrylamide, N,N-diethylacrylamide, dimethylaminoethyl acrylate methyl chloride quaternary salts, dimethylaminoethyl acrylate benzyl chloride quaternary salts, dimethylaminoethyl acrylate methyl sulfate quaternary salt, dimethylaminoethyl methacrylate methyl sulfate quaternary salt, dimethylaminoethyl acrylamide methyl sulfate quaternary salts, dimethylaminopropyl acrylamide methyl sulfate quaternary salts, dimethylaminopropyl methacrylamide methyl sulfate quaternary salts, diallyldimethyl ammonium chloride, N-vinyl formamide, dimethylamino ethyl methacrylate acid salts (including, but not limited to, sulfuric acid and hydrochloride acid salts), dimethylaminoethyl methacrylate methyl chloride quaternary salt, dimethylaminoethyl methacrylate benzyl chloride quaternary salt, methacrylamidopropyl trimethyl ammonium chloride, acrylamidopropyl trimethyl ammonium chloride, methylene bis acrylamide, triallylamine, acid salts of triallylamine, ethylene glycol dimethacrylate, hydroxymethylacrylate, hydroxyethylacrylate, hydroxypropylacrylate, hydroxypropylnethacrylate, diethylene glycol dimethacrylate, triethylene glycol dimethylacrylate, polyethylene glycol dimethacrylate, glycidyl methacrylate, acrylamidomethyl propane sulfonic acid and the sodium salt thereof, vinyl alcohol, vinyl acetate, and N-vinylpyrrolidone, provided that B, C and D are not the same.

3. The composition of claim 2 wherein the ultraviolet light absorbing polymer has a molecular weight of about 10,000 to about 10,000,000.

4. The composition of claim 2 wherein the ultraviolet light absorbing polymer has a molecular weight of about 200,000 to about 2,000,000.

5. The composition of claim 2 wherein monomer A is selected from the group consisting of

wherein n is 2 or 3.

6. The composition of claim 5 wherein the ultraviolet light absorbing polymer absorbs ultraviolet light radiation having a wavelength of about 290 to about 320 nm.

7. The composition of claim 5 wherein monomers B and C are selected from the group consisting of acrylamide, methacrylic acid, acrylic acid and acrylamidomethyl propane sulfonic acid and monomer D is selected from the group consisting of methacrylamidopropyl trimethylammonium chloride, acrylamidopropyl trimethylammonium chloride, N-vinylpyrrolidinone, dimethylaminopropyl methacrylamide, dimethylaminopropyl acrylamide, diallyldimethylammonium chloride, dimethylaminoethyl acrylate and dimethylaminoethyl methacrylate.

8. The composition of claim 7 comprising about 0.01 to about 50 mole percent of monomer A.

9. The composition of claim 8 wherein monomer B is acrylamide; monomer C is acrylic acid; and monomer D is selected from the group consisting of methacrylamidopropyl trimethylammonium chloride, N-vinylpyrrolidinone and diallyldimethylammonium chloride.

10. The composition of claim 1 further comprising one or more cosmetically acceptable excipients.

11. The composition of claim 10 wherein the excipients are selected from the group consisting of saccharides, surface active agents, humectants, petrolatum, mineral oil, fatty alcohols, fatty ester emollients, waxes and silicone-containing waxes, silicone oil, silicone fluid, silicone surfactants, volatile hydrocarbon oils, quaternary nitrogen compounds, amine functionalized silicones, conditioning polymers, rheology modifiers, antioxidants, sunscreen active agents, di-long chain amines from about C 10 to C 22 , long chain fatty amines from about C 10 to C 22 , fatty alcohols, ethoxylated fatty alcohols and di-tail phospholipids.

12. The composition of claim 11 comprising about 1 to about 3 weight percent, based on polymer actives, of the UV-absorbing polymers.

13. The cosmetically acceptable composition of claim 10 selected from the group consisting of shampoos, aftershaves, sunscreens, hand lotions, skin creams, liquid soaps, bar soaps, bath oil bars, shaving creams, dishwashing liquids, conditioners, permanent waves, hair relaxers, hair bleaches, hair detangling lotion, styling gel, styling glazes, spray foams, styling creams, styling waxes, styling lotions, mousses, spray gels, pomades, shower gels, bubble baths, hair coloring preparations, temporary and permanent hair colors, color conditioners, hair lighteners, coloring and non-coloring hair rinses, hair tints, hair wave sets, permanent waves, curling, hair straighteners, hair grooming aids, hair tonics, hair dressings and oxidative products, spritzes, styling waxes and balms.

14. A method of protecting a substrate from the effects of ultraviolet light comprising applying to the substrate an effective ultraviolet light protective amount of the composition of claim 1 .

15. The method of claim 14 wherein the substrate is a keratin substrate.

16. The method of claim 15 wherein the keratin substrate is skin.

17. The method of claim 15 wherein the keratin substrate is hair.

18. The method of claim 14 wherein the substrate is a textile fiber material.

19. The method of claim 14 wherein the substrate is plastic.

Assignments (9)