Water-based cosmetic compositions

• US 10,639,259 B2
• Filed: 10/28/2015
• Issued: 05/05/2020
• Est. Priority Date: 10/28/2015
• Status: Active Grant

• Current Assignee: L'Oreal SA
• Original Assignee: L'Oreal SA
• Inventors: White, Geoffrey, Bodnar, Brian Scott
• Primary Examiner(s): Palenik, Jeffrey T.
• Application Number:
  US14/925,125
• Publication Number:
  US 20170119644A1
• Time in Patent Office: 1,651 Days
• Field of Search: None
• CPC Class Codes: A61K 8/062 Oil-in-water emulsions
• CPC Class Codes: A61K 8/39 Derivatives containing from 2 to 10 oxyalkylene groups
• CPC Class Codes: A61K 8/4946 Imidazoles or their condensed derivatives, e.g. benzimidazoles
• CPC Class Codes: A61K 8/4973 with oxygen as the only hetero atom
• CPC Class Codes: A61K 8/4993 Derivatives containing from 2 to 10 oxyalkylene groups
• CPC Class Codes: A61K 8/8152 Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
• CPC Class Codes: A61K 8/894 modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
• CPC Class Codes: A61Q 17/04 Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations

Abstract

Compositions containing (1) water, (2) at least one hydrophilic sunscreen active agent having a sulfonic acid group, (3) at least one surfactant selected from the group consisting of alkoxylated fatty alcohols, sorbitan esters, alkoxylated silicones, and mixtures thereof, and (4) at least one copolymer comprising at least one monomer comprising a carboxylic acid containing α,β-unsaturation, at least one monomer containing an ester of a carboxylic acid containing α,β-unsaturation, and at least one monomer containing an oxyalkylenated fatty alcohol are provided.

Claims

1. A composition comprising (1) water, (2) at least one hydrophilic sunscreen active agent comprising a sulfonic acid group, (3) at least one surfactant selected from the group consisting of alkoxylated fatty alcohols, sorbitan esters, alkoxylated silicones, and mixtures thereof, (4) at least one copolymer comprising at least one monomer comprising a carboxylic acid containing α

, β

-unsaturation, at least one monomer containing an ester of a carboxylic acid containing α

, β

-unsaturation, and at least one monomer containing an oxyalkylenated fatty alcohol, and (5) at least one coloring agent, wherein the surfactant(s) and copolymer(s) are present in a weight ratio between 3;

1 and 1;

3 and wherein the hydrophilic sunscreen active agent(s) and copolymer(s) are present in a weight ratio between 3;

1 and 1;

3.

2. The composition of claim 1, wherein the composition is an emulsion.

3. The composition of claim 2, wherein the emulsion is an oil-in-water emulsion.

4. The composition of claim 1, wherein the hydrophilic sunscreen active agent is selected from the group consisting of phenylbenzimidazole sulfonic acid, sulisobenzone, and ecamsule.

5. The composition of claim 4, wherein the copolymer is Acrylates/Steareth-20 Methacrylate Copolymer.

6. The composition of claim 5, wherein the surfactant is selected from the group consisting of sorbitan sesquiolate, polysorbate-85, PEG-11 methyl ether dimethicone, PPG-5-buteth-5, and mixtures thereof.

7. The composition of claim 1, wherein the hydrophilic sunscreen active agent is phenylbenzimidazole sulfonic acid.

8. The composition of claim 7, wherein the copolymer is Acrylates/Steareth-20 Methacrylate Copolymer.

9. The composition of claim 5, wherein the surfactant is selected from the group consisting of sorbitan sesquiolate, polysorbate-85, PEG-11 methyl ether dimethicone, PPG-5-buteth-5, and mixtures thereof.

10. The composition of claim 9, wherein the surfactant(s) and the hydrophilic sunscreen active agent are present in a weight ratio between 3:

1 and 1;

3.

11. The composition of claim 10, comprising 3% or less oil by weight with respect to the total weight of the composition.

12. The composition of claim 9, comprising 3% or less oil by weight with respect to the total weight of the composition.

13. The composition of claim 1, wherein the copolymer is Acrylates/Steareth-20 Methacrylate Copolymer.

14. The composition of claim 13, wherein the surfactant is selected from the group consisting of sorbitan sesquiolate, polysorbate-85, PEG-11 methyl ether dimethicone, PPG-5-buteth-5, and mixtures thereof.

15. The composition of claim 1, wherein the surfactant is selected from the group consisting of sorbitan sesquiolate, polysorbate-85, PEG-11 methyl ether dimethicone, PPG-5-buteth-5, and mixtures thereof.

16. The composition of claim 1, wherein the surfactant(s) and the hydrophilic sunscreen active agent are present in a weight ratio between 3:

1 and 1;

3.

17. The composition of claim 1, comprising 3.6% or less oil by weight with respect to the total weight of the composition.

18. The composition of claim 1, comprising 3% or less oil by weight with respect to the total weight of the composition.

19. A method of preparing a composition comprising combining (1) water, (2) at least one hydrophilic sunscreen active agent comprising a sulfonic acid group, (3) at least one surfactant selected from the group consisting of sorbitan esters, alkoxylated silicones, and mixtures thereof, (4) at least one copolymer comprising at least one monomer comprising a carboxylic acid containing α

,β

-unsaturation, at least one monomer containing an ester of a carboxylic acid containing α

,β

-unsaturation, and at least one monomer containing an oxyalkylenated fatty alcohol to form a composition, and (5) at least one coloring agent, wherein the surfactant(s) and copolymer(s) are combined in a weight ratio between 3;

1 and 1;

3 and wherein the hydrophilic sunscreen active agent(s) and copolymer(s) are combined in a weight ratio between 3;

1 and 1;

3.