# US 4,395,364 A · Detergent composition containing sulfonate surfactant and polyoxyalkylene alkyl or alkenyl sulfuric acid ester salt > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 4,395,364 A - Document ID: US4395364A - Status: Granted - Kind: A - Application number: 06/368,483 - Filed: 1982-04-14 - Granted: 1983-07-26 - Earliest claimed: 1979-11-16 - Assignees: Kao Soap Co., Ltd. - Inventors: Moriyasu Murata; Kenji Okahashi - Web page: https://patentgrep.com/patent/US4395364A ## CPC - C11D 1/37: Mixtures of compounds all of which are anionic - C11D 1/14: derived from aliphatic hydrocarbons or mono-alcohols - C11D 1/22: derived from aromatic compounds - C11D 1/29: Sulfates of polyoxyalkylene ethers - C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL ## Abstract A detergent composition comprising a sulfonate-type surface active agent and an alkyl ether sulfate containing oxypropylene and/or oxybutylene units in the molecule. ## Claims ### Claim 1 A powder detergent composition, consisting essentially of (A) from 8 to 30% by weight of anionic surface active agent selected from the group consisting of linear or branched, alkyl benzene-sulfonic acid salts in which the alkyl group has an average carbon atom number of from 10 to 16, olefin-sulfonic acid salts having an average carbon atom number of from 10 to 20 and alkane-sulfonic acid salts having an average carbon atom number of from 10 to 20, wherein the counter ion of said salts is selected from the group consisting of sodium, potassium, ammonium or alkanolamine having 1 to 3 alkanol groups having 2 or 3 carbon atoms, (B) from 1.5 to 15% by weight of polyoxyalkylene alkyl or alkenyl sulfuric acid ester salt selected from the group consisting of compounds having the formula R.sub.1 O(PrO).sub.m1 SO.sub.3 M (2) wherein R.sub.1 O is a residue obtained by removal of a hydrogen from coconut oil-derived higher alcohol, beef tallow-derived higher alcohol, synthetic secondary higher alcohol having 8 to 22 carbon atoms, or synthetic primary alcohol having 8 to 22 carbon atoms and having an iso ratio of 20 to 80%, PrO is oxypropylene, m1 is a number of from 1 to 10, and M is an alkali metal, an alkaline earth metal or an alkanolamine having 1 to 3 alkanol groups having 2 or 3 carbon atoms, compounds having the formula R.sub.1 O(PrO).sub.m2 (EtO).sub.m3 SO.sub.3 M (3) wherein each of m2 and m3 is a positive number with the proviso that the sum of m2 and m3 is from 1 to 10 and the m2/m3 ratio is in the range of from 4/1 to 1/4, EtO is oxyethylene, and the other symbols have the same meaning as defined above, compounds having the formula R.sub.1 O(BuO).sub.m2 (EtO).sub.m3 SO.sub.3 M (4) wherein BuO is oxybutylene, and the other symbols have the same meanings as defined above, compounds having the formula R.sub.1 O(PrO,EtO).sub.m1 SO.sub.3 M (5) wherein (PrO,EtO) is oxypropylene and oxyethylene arranged in random order, and the other symbols have the same meanings as defined above, compounds having the formula R.sub.1 O(BuO).sub.m1 SO.sub.3 M (6) wherein the symbols have the same meanings as defined above, and compounds having the formula R.sub.1 O(PrO,EtO,BuO).sub.m1 SO.sub.3 M (7) wherein the symbols have the same meanings as defined above, (C) 1 to 20% by weight of detergent builder suitable for use in powder clothes washing detergent compositions, and (D) from 1 to 50% by weight of at least one alkali metal salt selected from the group consisting of alkali metal silicates, alkali metal carbonates and alkali metal sulfates. ### Claim 2 (depends on 1) A powder detergent composition as set forth in claim 1, wherein the sulfonate surface active agent is a linear or branched, alkyl benzene-sulfonic acid salt having an alkyl group having an average carbon atom number of from 10 to 16. ### Claim 3 (depends on 1) A powder detergent composition as set forth in claim 1, wherein the polyoxyalkylene alkyl or alkenyl sulfuric acid ester salt is a compound having the formula (2). ### Claim 4 (depends on 1) A powder detergent composition as set forth in claim 1, wherein the polyoxyalkylene alkyl or alkenyl sulfuric acid ester salt is a compound having the formula (3). ### Claim 5 (depends on 1) A powder detergent composition as set forth in claim 1, wherein the polyoxyalkylene alkyl or alkenyl sulfuric acid ester salt is a compound having the formula (5). ### Claim 6 (depends on 1) A powder detergent composition as set forth in claim 1 in which the weight ratio of (A)/(B) is from 10/1 to 1.33/1. ### Claim 7 (depends on 1) A powder detergent composition as set forth in claim 1 in which the weight ratio of (A)/(B) is from 4/1 to 2/1. ### Claim 8 (depends on 1) A powder detergent composition as set forth in claim 1 in which said detergent builder is a phosphate detergent builder. ### Claim 9 (depends on 1) A powder detergent composition as set forth in claim 1 in which said detergent builder is selected from the group consisting of aminopolyacetic acid salts, hydroxycarboxylic acid salts, polymeric electrolytes and crystalline and/or amorphous alumino-silicates having the formula X(M.sub.2 O).Al.sub.2 O.sub.3.Y(SiO.sub.2).Z(P.sub.2 O.sub.5)..omega.(H.sub.2 O) wherein M is Na or K, and X, Y and Z are the mole numbers of the respective components which satisfy the relations 0.20.ltoreq.X.ltoreq.1.10, 0.20.ltoreq.Y.ltoreq.4.00 and 0.001.ltoreq.Z.ltoreq.0.80, and .omega. is an optional positive number.