# US 2019/0169536 A1 · Surfactant composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0169536 A1 - Document ID: US20190169536A1 - Status: Published application - Kind: A1 - Application number: 16/324,209 - Filed: 2017-08-07 - Published: 2019-06-06 - Earliest claimed: 2016-08-09 - Assignees: Kao Corporation - Applicants: Kao Corporation - Inventors: Yukiko TABUCHI; Takaya SAKAI; Hiroko ENDO - Web page: https://patentgrep.com/patent/US20190169536A1 ## CPC - C11D 1/831: of sulfonates with ethers of polyoxyalkylenes without phosphates - A61K 8/46: containing sulfur (A61K8/44 takes precedence) - A61Q 5/02: Preparations for cleaning the hair - A61Q 19/10: Washing or bathing preparations - C11D 1/04: Carboxylic acids or salts thereof (soap C11D9/00) - C11D 1/10: Amino carboxylic acids; Imino carboxylic acids; Fatty acid condensates thereof - C11D 1/14: derived from aliphatic hydrocarbons or mono-alcohols - C11D 1/143: {Sulfonic acid esters} - C11D 1/146: {Sulfuric acid esters} - C11D 1/34: Derivatives of acids of phosphorus - C11D 1/345: {Phosphates or phosphites} - C11D 1/72: Ethers of polyoxyalkylene glycols - C11D 1/83: Mixtures of non-ionic with anionic compounds - C11D 3/0094: {High foaming compositions} - C11D 17/0008: {aqueous liquid non soap compositions (C11D3/0015, C11D3/3947, C11D3/3956 take precedence)} - C11D 1/523: {Carboxylic alkylolamides, or dialkylolamides, or hydroxycarboxylic amides (R1-CO-NR2R3), where R1, R2 or R3 contain one hydroxy group per alkyl group} - C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL - 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 provides a surfactant composition which includes a surfactant at a high concentration, while having fluidity over a wide concentration range. A surfactant composition according to the present invention contains the components A, B, C and D described below, and is configured such that: the total content of the components A, B and C is from 30% by mass to 80% by mass (inclusive); the mass ratio of the total content of the components A and B to the content of the component C, namely (A+B)/C is from 20/80 to 80/20; and the mass ratio of the content of the component A to the content of the component B, namely A/B is from 98/2 to 45/55. A: an internal olefin sulfonic acid and/or a salt thereof; B: an anionic surfactant other than the component A; C: a nonionic surfactant; D: water ## Claims ### Claim 1 A surfactant composition comprising component A, component B, component C and component D described below, wherein a total content of the component A, the component B and the component C is 30% by mass or more and 80% by mass or less; a mass ratio (A+B)/C of a total content of the component A and the component B to a content of the component C is from 20/80 to 80/20; and a mass ratio AB of a content of the component A to a content of the component B is from 98/2 to 45/55, A: an internal olefin sulfonic acid and/or a salt thereof; B: an anionic surfactant other than the component A; C: a nonionic surfactant; and D: water. ### Claim 2 (depends on 1) The surfactant composition according to claim 1, wherein the internal olefin sulfonic acid and/or the salt thereof has a carbon number of 12 or more and 24 or less. ### Claim 3 (depends on 1) The surfactant composition according to claim 1, wherein the internal olefin sulfonic acid and/or the salt thereof contains 5% by mass or more and 40% by mass or less of an internal olefin sulfonic acid/or a salt thereof having a sulfonic acid group at 2-position. ### Claim 4 (depends on 1) The surfactant composition according to claim 1, wherein the internal olefin sulfonate includes a hydroxyalkane sulfonate (HAS) and an olefin sulfonate (IOS). ### Claim 5 (depends on 1) The surfactant composition according to claim 1, wherein the anionic surfactant is at least one selected from the group consisting of a sulfuric acid ester salt having 10 to 22 carbon atoms, a sulfonate having 10 to 22 carbon atoms, a fatty acid salt having 10 to 22 carbon atoms, a carboxylate having 10 to 22 carbon atoms, a phosphoric acid ester salt having 10 to 22 carbon atoms, and an amino acid salt having an acyl group having 10 to 22 carbon atoms. ### Claim 6 (depends on 1) The surfactant composition according to claim 1, wherein the nonionic surfactant is at least one selected from the group consisting of a polyalkylene glycol type nonionic surfactant, a polyhydric alcohol type nonionic surfactant, and a fatty acid alkanol amide. ### Claim 7 (depends on 1) The surfactant composition according to claim 1, wherein a viscosity measured by a tuning fork type vibrational viscometer at 25° C. is 3000 mPa·s or less. ### Claim 8 (depends on 1) The surfactant composition according to claim 1, which is a detergent. ### Claim 9 (depends on 1) A cleaning method using the surfactant composition according to claim 1. ### Claim 10 (canceled) ### Claim 11 (depends on 2) The surfactant composition according to claim 2, wherein the internal olefin sulfonic acid and/or the salt thereof contains 5% by mass or more and 40% by mass or less of an internal olefin sulfonic acid/or a salt thereof having a sulfonic acid group at 2-position. ### Claim 12 (depends on 2) The surfactant composition according to claim 2, wherein the internal olefin sulfonate includes a hydroxyalkane sulfonate (HAS) and an olefin sulfonate (IOS). ### Claim 13 (depends on 3) The surfactant composition according to claim 3, wherein the internal olefin sulfonate includes a hydroxyalkane sulfonate (HAS) and an olefin sulfonate (IOS). ### Claim 14 (depends on 2) The surfactant composition according to claim 2, wherein the anionic surfactant is at least one selected from the group consisting of a sulfuric acid ester salt having 10 to 22 carbon atoms, a sulfonate having 10 to 22 carbon atoms, a fatty acid salt having 10 to 22 carbon atoms, a carboxylate having 10 to 22 carbon atoms, a phosphoric acid ester salt having 10 to 22 carbon atoms, and an amino acid salt having an acyl group having 10 to 22 carbon atoms. ### Claim 15 (depends on 3) The surfactant composition according to claim 3, wherein the anionic surfactant is at least one selected from the group consisting of a sulfuric acid ester salt having 10 to 22 carbon atoms, a sulfonate having 10 to 22 carbon atoms, a fatty acid salt having 10 to 22 carbon atoms, a carboxylate having 10 to 22 carbon atoms, a phosphoric acid ester salt having 10 to 22 carbon atoms, and an amino acid salt having an acyl group having 10 to 22 carbon atoms. ### Claim 16 (depends on 4) The surfactant composition according to claim 4, wherein the anionic surfactant is at least one selected from the group consisting of a sulfuric acid ester salt having 10 to 22 carbon atoms, a sulfonate having 10 to 22 carbon atoms, a fatty acid salt having 10 to 22 carbon atoms, a carboxylate having 10 to 22 carbon atoms, a phosphoric acid ester salt having 10 to 22 carbon atoms, and an amino acid salt having an acyl group having 10 to 22 carbon atoms. ### Claim 17 (depends on 2) The surfactant composition according to claim 2, wherein the nonionic surfactant is at least one selected from the group consisting of a polyalkylene glycol type nonionic surfactant, a polyhydric alcohol type nonionic surfactant, and a fatty acid alkanol amide. ### Claim 18 (depends on 3) The surfactant composition according to claim 3, wherein the nonionic surfactant is at least one selected from the group consisting of a polyalkylene glycol type nonionic surfactant, a polyhydric alcohol type nonionic surfactant, and a fatty acid alkanol amide. ### Claim 19 (depends on 4) The surfactant composition according to claim 4, wherein the nonionic surfactant is at least one selected from the group consisting of a polyalkylene glycol type nonionic surfactant, a polyhydric alcohol type nonionic surfactant, and a fatty acid alkanol amide. ### Claim 20 (depends on 5) The surfactant composition according to claim 5, wherein the nonionic surfactant is at least one selected from the group consisting of a polyalkylene glycol type nonionic surfactant, a polyhydric alcohol type nonionic surfactant, and a fatty acid alkanol amide.