# US 12,594,225 B2 · Hair cleansing composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,594,225 B2 - Document ID: US12594225B2 - Status: Granted - Kind: B2 - Application number: 18/247,097 - Filed: 2021-09-29 - Published: 2024-01-18 - Granted: 2026-04-07 - Earliest claimed: 2020-09-30 - Assignees: Kao Corporation - Applicants: Kao Corporation - Inventors: Shusaku Torii - Web page: https://patentgrep.com/patent/US12594225B2 ## CPC - A61K 8/466: {containing sulfonic acid derivatives; Salts} - A61K 8/731: {Cellulose; Quaternized cellulose derivatives} - A61K 8/737: {Galactomannans, e.g. guar; Derivatives thereof} - A61K 8/817: {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 single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)} - A61Q 5/02: Preparations for cleaning the hair - A61K 2800/52: Stabilizers - 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 A hair cleansing composition including the following components (A) and (B): (A) an internal olefin sulfonic acid having 16 carbon atoms or a salt thereof, obtained by sulfonation of a raw material olefin having 16 carbon atoms and having an average double bond position of 3.9-position or more and 4.5-position or less, and (B) a cationic polymer. A mass ratio of a content of the component (A) to a content of the component (B), (A)/(B), is 1 or more and 500 or less. ## Claims ### Claim 1 A hair cleansing composition comprising following components (A) and (B): (A) an internal olefin sulfonic acid having 16 carbon atoms or a salt thereof, obtained by sulfonation of a raw material olefin having 16 carbon atoms and having an average double bond position of 4.0-position to 4.4-position; and (B) cationated hydroxyethyl cellulose, wherein a mass ratio of a content of the component (A) to a content of the component (B), (A)/(B), is 12 or more and 80 or less, and in the raw material olefin having 16 carbon atoms, a content of a raw material olefin having a double bond position at a 1-positon is less than 5.0 mass %; a content of a raw material olefin having a double bond position at a 2-positon is from 20 to 24 mass %; and a content of a raw material olefin having a double bond position at a 7-position or 8-position is from 12 to 16 mass %, each based on a total mass of the raw material olefin. ### Claim 2 (depends on 1) The hair cleansing composition according to claim 1, wherein a content of an internal olefin sulfonic acid including a sulfonate group at a 1-position or more and a 4-position or less or a salt thereof is 40 mass % or more and 75 mass % or less in the component (A). ### Claim 3 (depends on 1) The hair cleansing composition according to claim 1, wherein a content of an internal olefin sulfonic acid including a sulfonate group at a 2-position or a salt thereof is 10 mass % or more and 35 mass % or less in the component (A). ### Claim 4 (depends on 1) The hair cleansing composition according to claim 1, wherein a content of an internal olefin sulfonic acid including a sulfonate group at a 3-position or a salt thereof is 5 mass % or more and 30 mass % or less in the component (A). ### Claim 5 (depends on 1) The hair cleansing composition according to claim 1, wherein a content of the component (A) is 0.01 mass % or more and 30 mass % or less, based on a total mass of the composition. ### Claim 6 (depends on 1) The hair cleansing composition according to claim 1, wherein a mass ratio of a content of a hydroxy form of the internal olefin sulfonic acid or a salt thereof to a content of an olefin form of the internal olefin sulfonic acid or a salt thereof, (hydroxy form/olefin form), in the component (A) is from 50/50 to 100/0. ### Claim 7 (depends on 1) The hair cleansing composition according to claim 1, wherein a content of the component (B) is 0.01 mass % or more and 10 mass % or less, based on a total mass of the composition. ### Claim 8 (depends on 1) The hair cleansing composition according to claim 1, wherein a content of the internal olefin sulfonic acid including a sulfonate group at a 4-position or a salt thereof is 15 mass % or more and 30 mass % or less in the component (A). ### Claim 9 (depends on 1) The hair cleansing composition according to claim 1, wherein the mass ratio of the content of the component (A) to the content of the component (B), (A)/(B), is from 5 to 100. ### Claim 10 (depends on 1) The hair cleansing composition according to claim 1, wherein a content of an internal olefin sulfonic acid including a sulfonate group at a 1-position or a salt thereof is less than 3.0 mass % in the component (A). ### Claim 11 (depends on 1) The hair cleansing composition according to claim 1, further comprises component (C) an internal olefin sulfonic acid or a salt thereof other than component (A), wherein a mass ratio of the content of the component (A) to a total amount of the internal olefin sulfonic acids or salts thereof, (A)/(total amount of internal olefin sulfonic acids or salts thereof), is 0.95 or more. ### Claim 12 (depends on 1) A method of washing hair, comprising: moistening the hair with water; washing the hair by applying the hair cleansing composition according to claim 1 to the hair; and rinsing the hair with water. ### Claim 13 A low-temperature stabilization method for a hair cleansing composition, the method comprising mixing the following components (A) and (B) with water: (A) an internal olefin sulfonic acid having 16 carbon atoms or a salt thereof, obtained by sulfonation of a raw material olefin having 16 carbon atoms and having an average double bond position of 4.0-position to 4.4-position; and (B) cationated hydroxyethyl cellulose, wherein a mass ratio of a content of the component (A) to a content of the component (B), (A)/(B), is 12 or more and 80 or less, and in the raw material olefin having 16 carbon atoms, a content of a raw material olefin having a double bond position at a 1-positon is less than 5.0 mass %; a content of a raw material olefin having a double bond position at a 2-positon is from 20 to 24 mass %; and a content of a raw material olefin having a double bond position at a 7-position or 8-position is from 12 to 16 mass %, each based on a total mass of the raw material olefin. ### Claim 14 (depends on 1) The hair cleansing composition according to claim 1, wherein in the internal olefin sulfonic acid having 16 carbon atoms or a salt thereof, a content of an internal olefin sulfonic acid having a sulfonate group at a 1-position to a 4-position is 55% to 68% by mass, based on a total mas of the internal olefin sulfonic acid having 16 carbon atoms or a salt thereof. ### Claim 15 (depends on 1) The hair cleansing composition according to claim 1, wherein in the raw material olefin having 16 carbon atoms, a content of a raw material olefin having a double bond position at a 3-positon is from 16 to 19 mass %; a content of a raw material olefin having a double bond position at a 4-positon is from 17 to 19 mass %; a content of a raw material olefin having a double bond position at a 5-positon is from 13 to 15 mass %; and a content of a raw material olefin having a double bond position at a 6-positon is from 11 to 13 mass %.