# US 2014/0193354 A1 · Water-in-oil-in-water emulsions > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0193354 A1 - Document ID: US20140193354A1 - Status: Published application - Kind: A1 - Application number: 14/241,753 - Filed: 2012-10-01 - Published: 2014-07-10 - Earliest claimed: 2011-09-30 - Assignees: L'oreal - Applicants: L'oreal - Inventors: Mikhail Motornov; Hy Si Bui; Jean-Thierry Simonnet; Christopher Pang - Web page: https://patentgrep.com/patent/US20140193354A1 ## CPC - A61K 8/066: {Multiple emulsions, e.g. water-in-oil-in-water} - A61K 8/31: Hydrocarbons - A61K 8/8164: {Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers, e.g. poly (methyl vinyl ether-co-maleic anhydride)} - A61K 8/84: obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds - A61K 8/88: Polyamides - A61Q 1/02: Preparations containing skin colorants, e.g. pigments (preparations in powder form A61Q1/12) - A61Q 1/04: for lips - A61Q 1/06: Lipsticks - A61Q 1/10: for eyes, e.g. eyeliner, mascara - A61Q 19/00: Preparations for care of the skin - A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D) - A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS ## Abstract The present invention generally relates to W/O/W emulsions including an oil-soluble polar modified polymer and polylysine. ## Claims ### Claim 1 A water-in-oil-in-water emulsion comprising: (a) water; (b) at least one polylysine; and (c) at least one polar modified polymer selected from the group consisting of: (1) a low carbon oil-soluble polar modified polymer comprising at least one C2-C4 monomer and modified with at least one hydrophilic unit, and having a weight-average molecular weight of less than or equal to 25 000 g/mol and a melting point above 75° C.; (2) an high carbon oil-soluble polar modified polymer comprising at least one C22-C40 monomer and modified with at least one hydrophilic unit, and having a weight-average molecular weight of less than or equal to 30000 g/mol and a crystallinity of 8% to 60%; and (3) mixtures thereof. ### Claim 2 (depends on 1) The emulsion of claim 1, wherein the emulsion comprises at least one low carbon oil-soluble polar modified polymer comprising at least one C2-C4 monomer and modified with at least one hydrophilic unit, and having a weight-average molecular weight of less than or equal to 25 000 g/mol and a melting point above 75° C. ### Claim 3 (depends on 2) The emulsion of claim 2, wherein the at least one low carbon oil-soluble polar modified polymer consists essentially of polypropylene and maleic anhydride units. ### Claim 4 (depends on 1) The emulsion of claim 1, wherein the composition comprises at least one oil-soluble high carbon polar modified polymer comprising at least one C26-C28 monomer and modified with at least one hydrophilic unit, and having a weight-average molecular weight of less than or equal to 30000 g/mol and a crystallinity of 8% to 60%. ### Claim 5 (depends on 4) The emulsion of claim 4, wherein the at least one high carbon oil-soluble polar modified polymer consists essentially of C26-C28 alpha olefin and maleic acid anhydride units. ### Claim 6 (depends on 1) The emulsion of claim 1, further comprising at least one coloring agent. ### Claim 7 (depends on 1) The emulsion of claim 1, wherein the emulsion is made using from 0.01 to 10% by weight, based on the weight of the emulsion, of the polylysine. ### Claim 8 (depends on 1) The emulsion of claim 1, wherein the emulsion is made using from 0.05 to 8% by weight, based on the weight of the emulsion, of the polylysine. ### Claim 9 (depends on 1) The emulsion of claim 1, wherein the emulsion is made using from 0.5 to 30% by weight, based on the weight of the emulsion, of the oil-soluble polar modified polymer. ### Claim 10 (depends on 1) The emulsion of claim 1, wherein water is present in an amount of from 45 to 90% by weight, based on the weight of the emulsion. ### Claim 11 (depends on 1) The emulsion of claim 1, further comprising at least one surfactant. ### Claim 12 (depends on 1) A cosmetic composition comprising the emulsion of claim 1. ### Claim 13 (depends on 11) A method of making up skin comprising applying the composition of claim 11 to the skin. ### Claim 14 (depends on 11) A method of making up lips comprising applying the composition of claim 11 to the lips. ### Claim 15 (depends on 11) A method of making up eyelashes comprising applying the composition of claim 11 to the eyelashes. ### Claim 16 A method of making a water-in-oil-in-water emulsion comprising making a water-in-oil emulsion comprising: (a) water; (b) at least one polylysine; and (c) at least one polar modified polymer selected from the group consisting of: (1) a low carbon oil-soluble polar modified polymer comprising at least one C2-C4 monomer and modified with at least one hydrophilic unit, and having a weight-average molecular weight of less than or equal to 25 000 g/mol and a melting point above 75° C.; (2) an high carbon oil-soluble polar modified polymer comprising at least one C22-C40 monomer and modified with at least one hydrophilic unit, and having a weight-average molecular weight of less than or equal to 30000 g/mol and a crystallinity of 8% to 60%; and (3) mixtures thereof, and combining the water-in-oil emulsion with water to form a water-in-oil-in-water emulsion. ### Claim 17 (depends on 16) The method of claim 16, wherein the water-in-oil emulsion is prepared by combining an oil phase comprising the at least one oil-soluble polar modified polymer with an aqueous phase comprising polylysine. ### Claim 18 (depends on 16) The method of claim 16, wherein the at least one oil-soluble polar modified polymer and the polylysine form a reaction product in the water-in-oil-in-water emulsion. ### Claim 19 (depends on 6) The emulsion of claim 6, wherein the at least one coloring agent is a dye in the internal aqueous phase of the emulsion. ### Claim 20 (depends on 6) The emulsion of claim 6, wherein the at least one coloring agent is a dye in the oil phase of the emulsion. ### Claim 21 (depends on 6) The emulsion of claim 6, wherein the at least one coloring agent is at least one dye in the internal aqueous phase and at least one dye in the oil phase of the emulsion.