IP Library Granted Patent US 7,416,719
Granted Patent B2
US 7,416,719 · App. 10/836,308 · Granted Aug 26, 2008

Sunscreen compositions

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Quick Facts
Patent No.
US 7,416,719
App. No.
10/836,308
Granted
Aug 26, 2008
Kind
B2
Abstract

The present invention is a sunscreen composition that has at least one sunscreen agent and at least one glucoside emulsifier. The composition also has water. Preferably, the sunscreen composition also has at least one of the following additional components: an emulsifier other than glucoside, emollient, skin-feel additive, moisturizing agent, film former/waterproofing agent, pH adjuster/chelating agent, preservative, or any combinations thereof. The composition is a stable oil-in-water emulsion.

Claims (50)

1. A sunscreen composition comprising:

(a) at least one sunscreen agent; and

(b) at least one lauryl glucoside emulsifier,

wherein said at least one lauryl glucoside emulsifier imparts an enhanced soft, silky feel to the composition.

2. The composition of claim 1 , wherein said at least one sunscreen agent is selected from the group consisting of para-aminobenzoic acid (PABA), avobenzone, benzophenone-1, benzophenone-2, benzophenone-3, benzophenone-4, benzophenone-6, benzophenone-8, benzophenone-12, methoxycinnamate, ethyl dihydroxypropyl-PABA, glyceryl PABA, homosalate, methyl anthranilate, octocrylene, octyl dimethyl PABA, octyl methoxycinnamate, octyl salicylate, PABA, 2-phenylbenzimidazole-5-sulphonic acid, triethanolamine salicylate, 3-(4-methylbenzylidene)-camphor, red petrolatum, zinc oxide, titanium dioxide, 3-(4-methylbenzyldine)boran-2-one(methylbenzindinecamphor), benzotriazole, phenylbenzimidazole-5-sulfonic acid, methylene bis-benzotrizolyl tetramethylbutyl phenol, and any combinations thereof.

3. The composition of claim 1 , wherein said at least one sunscreen agent is selected from the group consisting of avobenzone, benzophenone-3, octyl methoxycinnamate, octyl salicylate, homosalate, zinc oxide, octocrylene, avobenzone, titanium dioxide, and any combinations thereof.

4. The composition of claim 1 , wherein said at least one sunscreen agent is about 1 wt. % to about 40 wt. % of the total weight of the composition.

5. The composition of claim 1 , wherein said at least one lauryl glucoside emulsifier is about 0.05 wt. % to about 10 wt. % of the total weight of the composition.

6. The composition of claim 1 , wherein said at least one lauryl glucoside emulsifier is about 0.5 wt. % to about 1.6 wt. % of the total weight of the composition.

7. The composition of claim 1 , further comprising one or more additional emulsifiers other than a glucoside emulsifier.

8. The composition of claim 7 , wherein said one or more additional emulsifiers are selected from the group consisting of butylated PVP, cetyl alcohol, cetearyl alcohol, behenyl alcohol, glyceryl stearate, glyceryl stearate citrate, sodium dicocoylethylenediamine PEG-15 sulfate, sodium lauroyl lactylate, sodium lauroyl sarcosinates, lecithin, sodium acrylate/sodium acryloyldimethyltaurate copolymer, diethylhexyl napthalate, sorbitan oleate, sorbitan sesquioleate, sorbitan isostearate, sorbitan trioleate, polyglyceryl-3-diisostearate, polyglycerol ester of oleic/isostearic acid, polyglyceryl-6 hexaricinolate, polyglyceryl-4-oleate, polygylceryl-4 oleate/PEG-8 propylene glycol cocoate, oleamide DEA, sodium glyceryl oleate phosphate, hydrogenated vegetable glycerides phosphate, and any combinations thereof.

9. The composition of claim 7 , wherein said one or more additional emulsifiers are selected from the group consisting of cetyl alcohol, cetearyl alcohol, behenyl alcohol, glyceryl stearate, glyceryl stearate citrate, sodium dicocoylethylenediamine PEG-15 sulfate, sodium lauroyl lactylate, sodium lauroyl sarcosinates, lecithin, and any combinations thereof.

10. The composition of claim 1 , further comprising one or more emollients.

11. The composition of claim 10 , wherein said one or more emollients is selected from the group consisting of di-PPG-3 myristyl ether adipate, dipentaerythritol hexa C 5-9 acid esters, cyclomethicone, dimethicone, dicapryl maleate, caprylic/capric triglyceride, mineral oil, lanolin oil, coconut oil, cocoa butter, olive oil, aloe extracts, jojoba oil, castor oil, fatty acid, fatty alcohol, diisopropyl adipate, hydroxybenzoate ester, benzoic acid ester of C 9 -C 15 alcohols, isononyl iso-nonanoate, alkane, silicone, ether, C 12 -C 15 alkyl benzoate, and any combinations thereof.

12. The composition of claim 10 , wherein said one or more emollients is selected from the group consisting of di-PPG-3 myristyl ether adipate, dipentaerythritol hexa C 5−9 acid esters, and any combinations thereof.

13. The composition of claim 11 , wherein said one or more emollients are present in an amount about 0.10 wt. % to about 30 wt. % of the total weight of the composition.

14. The composition of claim 1 , further comprising water.

15. The composition of claim 14 , wherein said water is present in an amount about 45 wt. % to about 75 wt. % of the total weight of the composition.

16. The composition of claim 1 , further comprising one or more additional components selected from the group consisting of skin-feel additive, moisturizing agent, film former/waterproofing agent, pH adjuster/chelating agent, preservative, and any combinations thereof.

17. The composition of claim 16 , wherein said skin-feel additive is selected from the group consisting of synthetic polymers, tribehenin, silicones, esters, particulates, and any combinations thereof.

18. The composition of claim 17 , wherein said skin-feel additive is tribehenin.

19. The composition of claim 17 , wherein said skin-feel additive is present in an amount about 0.10 wt. % to about 5 wt. % of the total weight of the composition.

20. The composition of claim 16 , wherein said moisturizing agent is a humectant.

21. The composition of claim 20 , wherein said humectant is selected from the group consisting of glycerin, polyethylene glycol, polypropylene glycol, sorbitol, PEG-4, and any combinations thereof.

22. The composition of claim 16 , wherein said moisturizing agent is present in an amount about 0.10 wt. % to about 1 wt. % of the total weight of the composition.

23. The composition of claim 16 , wherein said film former/waterproofing agent is selected from the group consisting of polyethylene, octadecene/MA copolymer, synthetic wax, and any combinations thereof.

24. The composition of claim 16 , wherein said film former/waterproofing agent is present in an amount about 0.10 wt. % to about 5 wt. % of the total weight of the composition.

25. The composition of claim 16 , wherein said pH adjuster/chelating agent is selected from the group consisting of sodium hydroxide, triethanolamine, trisodium ethylenediaminetetraacetic acid, and any combinations thereof.

26. The composition of claim 16 , wherein said preservative is selected from the group consisting of methyldibromo glutaronitrile, methylchloroisothiazolinone, phenoxyethanol, diazolidinyl urea, iodopropynyl butylcarbamate, chloromethylisothiazolinone, methylisothiazolinone, vitamin E and its derivatives, vitamin C, butylated hydroxytoluene, methylparaben, and any combinations thereof.

27. A sunscreen composition comprising:

(a) about 6 wt. % to about 12 wt. % of one or more sunscreens; and

(b) about 0.6 wt. % to about 1.3 wt. % lauryl glucoside,

wherein said lauryl glucoside imparts a soft, silky feel to the composition when applied to a user's skin.

28. The composition of claim 27 , wherein said one or more sunscreens are selected from the group consisting of octyl methoxycinnamate, octyl salicylate, butyl methoxydibenzoylmethane, octocrylene, benzophenone-3, and any combinations thereof.

29. The composition of claim 27 , further comprising one or more additional components selected from the group consisting of emulsifier other than glucoside, emollient, skin-feel additive, moisturizing agent, film former/waterproofing agent, pH adjuster/chelating agent, preservative, and any combinations thereof.

30. The composition of claim 27 , wherein the composition has a SPF of at least 15.

31. A sunscreen composition comprising:

(a) about 15 wt. % to about 25 wt. % of one or more sunscreens; and

(b) about 0.6 wt. % to about 1.3 wt. % lauryl glucoside,

wherein said lauryl glucoside imparts a soft, silky feel to the composition when applied to a user's skin.

32. The composition of claim 31 , wherein said one or more sunscreens are selected from the group consisting of octyl methoxycinnamate, octyl salicylate, octocrylene, benzophenone-3, butyl methoxydibenzoylmethane, and any combinations thereof.

33. The composition of claim 31 , further comprising one or more additional components selected from the group consisting of emulsifier other than glucoside, emollient, skin-feel additive, moisturizing agent, film former/waterproofing agent, pH adjuster/chelating agent, preservative, and any combinations thereof.

34. The composition of claim 31 , wherein the composition has a SPF of at least 30.

35. A sunscreen composition comprising:

(a) about 20 wt. % to about 30 wt. % of one or more sunscreens; and

(b) about 0.6 wt. % to about 1.3 wt. % lauryl glucoside,

wherein said lauryl glucoside imparts a soft, silky feel to the composition when applied to a user's skin.

36. The composition of claim 35 , wherein said one or more sunscreens are selected from the group consisting of octyl methoxycinnamate, octyl salicylate, octocrylene, benzophenone-3, butyl methoxydibenzoylmethane, zinc oxide mixed with C 12−15 alkyl benzoate, titanium dioxide, and any combinations thereof.

37. The composition of claim 35 , further comprising one or more additional components selected from the group consisting of emulsifier other than glucoside, emollient, skin-feel additive, moisturizing agent, film former/waterproofing agent, pH adjuster/chelating agent, preservative, and any combinations thereof.

38. The composition of claim 35 , wherein the composition has a SPF of at least 50.

Assignments (3)
SECURITY AGREEMENT Recorded Apr 8, 2020
From: EDGEWELL PERSONAL CARE BRANDS, LLC
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 052341/0735 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 30, 2004
From: PLAYTEX PRODUCTS, INC.
To: SUN PHARMACEUTICALS CORPORATION
Reel/Frame 015829/0848 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 11, 2004
From: HUERTA, JOSE L.; SANOGUEIRA, JAMES; FULLER, JENNIFER
To: PLAYTEX PRODUCTS, INC.
Reel/Frame 015731/0901 →