# US 8,541,352 B2 · Surface treatment compositions including poly(diallyldimethylammonium chloride) and sheilding salts > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,541,352 B2 - Document ID: US8541352B2 - Status: Granted - Kind: B2 - Application number: 13/669,526 - Filed: 2012-11-06 - Published: 2013-05-16 - Granted: 2013-09-24 - Earliest claimed: 2011-11-11 - Assignees: The Procter & Gamble Company - Applicants: Sherri Lynn Randall; Michelle Ann Tscheiner; Eric Scott Johnson; Mark Robert Sivik - Inventors: Sherri Lynn Randall; Michelle Ann Tscheiner; Eric Scott Johnson; Mark Robert Sivik - Web page: https://patentgrep.com/patent/US8541352B2 ## CPC - A61K 8/8194: {Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; Compositions of derivatives of such polymers} - A61Q 5/002: {Preparations for repairing the hair, e.g. hair cure} - A61Q 5/12: Preparations containing hair conditioners - C11D 3/3746: {Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds} - C11D 3/3769: {(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines} - D06M 15/263: of unsaturated carboxylic acids; Salts or esters thereof - D06M 15/3562: {containing nitrogen} - D06M 2200/50: Modified hand or grip properties; Softening compositions - 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 - C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL - D06M: TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS ## Abstract Surface treatment compositions comprising certain cationic polymer(s), anionic surfactant, one or more shielding salts and hydrophobic association disruptor. The surface treatment compositions comprise at least about 6% by weight of cationic polymer, at least about 6% by weight anionic surfactant, and at least about 4% by weight of the shielding salt. The weight ratio of anionic surfactant to cationic polymer is between about 0.5:1 and about 4:1. The composition may also have a weight ratio of shielding salt to cationic polymer of between about 0.3:1 and about 3:1. ## Claims ### Claim 1 A surface treatment composition comprising: a) from about 6% to about 20% by weight of the composition of poly(diallyldimethylammonium chloride) having a molecular weight of less than about 100,000 Daltons, b) from about 6% to about 40% by weight of the composition of anionic surfactant; c) from about 5% to about 30% by weight of the composition of Hydrophobic Association Disruptor; and c) from about 4% to about 15%, by weight of the composition, of a shielding salt, wherein the shielding salt: has a molecular weight of from about 25 to about 500 and is incapable of lowering the surface tension of water below 50 mN/m when added to water at concentrations of up to 0.01M; wherein the weight ratio of anionic surfactant to cationic polymer is between about 0.5:1 and about 4:1, and wherein the weight ratio of shielding salt to cationic polymer is from about 0.3:1 to about 3:1. ### Claim 2 (depends on 1) The composition of claim 1, wherein the Hydrophobic Association Disruptor is selected from the group consisting of: nonionic surfactant; alcohol; amide; and mixtures thereof; wherein the alcohol and amide each comprise a hydrophobic tail group, R1, wherein R1 is an alkyl, alkenyl, alkyl aromatic or branched alkyl group of 2 to 18 carbons in length. ### Claim 3 (depends on 1) The composition of claim 1, wherein the shielding salt forms anions when dissolved in water, wherein at least a portion of the anions have more than one negative charge, and wherein no more than 50% of the negative charge of the portion of the anions having more than one negative charge is associated with carboxylate groups. ### Claim 4 (depends on 1) The composition of claim 1, wherein the shielding salt is selected from the group: ammonium-based, alkali or alkali earth salts of cumene sulfonate; ammonium, alkali or alkali earth salts of toluene sulfonate; ammonium-based, alkali or alkali earth salts of xylene sulfonate; ammonium-based, alkali or alkali earth salts of benzene sulfonate; and mixtures thereof. ### Claim 5 (depends on 4) The composition of claim 4, wherein the shielding salt is selected from the group sodium cumene sulfonate, sodium toluene sulfonate, sodium xylene sulfonate, sodium benzene sulfonate, and mixtures thereof. ### Claim 6 (depends on 1) The composition according to claim 1, wherein the composition has a percent transmittance (% T) of over 80% in the absence of any dyes, opacifying elements, or insoluble elements. ### Claim 7 (depends on 2) The composition of claim 2, wherein the Hydrophobic Association Disruptor is a mixture of nonionic surfactant and alcohol. ### Claim 8 (depends on 7) The composition of claim 7, wherein the nonionic surfactant comprises an alkyl chain 10-16 carbons in length and is ethoxylated with 4-10 moles of ethylene oxide and the alcohol is ethanol. ### Claim 9 (depends on 5) The composition of claim 5, wherein the shielding salt comprises sodium cumene sulfonate. ### Claim 10 (depends on 1) The composition of claim 1, wherein the charge density of the cationic polymer is between 0.05 meq/g and 25 meq/g at a pH of 7. ### Claim 11 (depends on 1) The composition of claim 1, wherein when the composition comprises no opacifying ingredients, has a percentage of light transmittance of greater than about 90%.