# US 6,296,864 B1 · Pesticidal composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 6,296,864 B1 - Document ID: US6296864B1 - Status: Granted - Kind: B1 - Application number: 08/961,499 - Filed: 1997-10-30 - Granted: 2001-10-02 - Earliest claimed: 1996-11-01 - Assignees: Sumitomo Chemical Company, Limited - Inventors: Shigekazu Zen - Web page: https://patentgrep.com/patent/US6296864B1 ## CPC - A01N 47/22: O-Aryl or S-Aryl esters thereof - A01N 25/02: containing liquids as carriers, diluents or solvents - A01N 43/40: six-membered rings - A01N 53/00: Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof - A01N 57/14: containing aromatic radicals - A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS ## Abstract A pesticidal composition comprising (a) 1 to 50% by weight of a lipophilic compound as a pesticidally active ingredient, (b) 0.1 to 10% by weight of at least one nonionic surfactant, (c) 0.3 to 4% by weight of at least one anionic surfactant selected from the group consisting of alkylarylsulfonic acid salts and alkylbiphenylsulfonic acid salts, (d) 15 to 40% by weight of a fatty acid ester represented by the formula: RCOOR′ [1] wherein R is an alkyl group having 2 to 21 carbon atoms or an alkenyl group having 2 to 21 carbon atoms, and R′ is an alkyl group having 1 to 6 carbon atoms, and (e) 20 to 80% by weight of an aromatic hydrocarbon solvent, which shows a good emulsion stability when diluted with water, has a good low-temperature storage stability, and is only slightly irritant. ## Claims ### Claim 1 A pesticidal composition comprising (a) 1 to 50% by weight of a lipophilic compound as a pesticidally active ingredient, (b) 0.1 to 10% by weight of at least one nonionic surfactant, (c) 0.3 to 4% by weight of at least one anionic surfactant selected from the group consisting of alkylarylsulfonic acid salts and alkylbiphenylsulfonic acid salts, (d) 15 to 40% by weight of a fatty acid ester represented by the formula: RCOOR′ [1] wherein R is an alkyl group having 2 to 21 carbon atoms or an alkenyl group having 2 to 21 carbon atoms, and R′ is an alkyl group having 1 to 6 carbon atoms, and (e) 20 to 80% by weight of an aromatic hydrocarbon solvent, wherein the weight percentages are based on the total weight of the pesticidal composition. ### Claim 2 (depends on 1) A pesticidal composition according to claim 1, wherein the nonionic surfactant (b) is selected from the group consisting of polyoxyethylene polyoxypropylene block polymers, polyoxyethylene polyoxypropylene alkyl aryl ethers, polyoxyethylene polyoxypropylene alkyl ethers, polyoxyethylene polyoxypropylene polyaryl ethers, and fatty acid esters of polyoxyethylene polyoxypropylene block polymers. ### Claim 3 (depends on 2) A pesticidal composition according to claim 2, wherein the nonionic surfactant (b) is selected from the group consisting of polyoxyethylene polyoxypropylene block polymers having a hydrophilic-lipophilic balance of 10 to 14, polyoxyethylene polyoxypropylene alkyl aryl ethers having a hydrophilic-lipophilic balance of 9 to 14, polyoxyethylene polyoxypropylene ethers having a hydrophilic-lipophilic balance of 9 to 12, polyoxyethylene polyoxypropylene polyaryl ethers having a hydrophilic-lipophilic balance of 9 to 14, and fatty acid esters of polyoxyethylene polyoxypropylene block polymers having a hydrophilic-lipophilic balance of 9 to 13. ### Claim 4 (depends on 1, 2, 3) A pesticidal composition according to claim 1, 2 or 3, wherein the lipophilic compound as a pesticidally active ingredient (a) is Pyriproxyfen. ### Claim 5 (depends on 1, 2, 3) A pesticidal composition according to claim 1, 2 or 3, wherein the lipophilic compound as a pesticidally active ingredient (a) is a pyrethroid compound. ### Claim 6 (depends on 1, 2, 3) A pesticidal composition according to claim 1, 2 or 3, wherein the lipophilic compound as a pesticidally active ingredient (a) is a compound represented by the formula: wherein R1 is a group represented by the formula: (wherein X and Y, which may be the same or different, are methyl groups, trifluoromethyl groups, halogen atoms or alkoxycarbonyl groups whose alkoxy group has 1 to 4 carbon atoms, and Z is a halogen atom or a difluoromethoxy group), R2 is a hydrogen atom or a cyano group, and R3 is a hydrogen atom or a fluorine atom. ### Claim 7 (depends on 1, 2, 3) A pesticidal composition according to claim 1, 2 or 3, wherein the lipophilic compound as a pesticidally active ingredient (a) is an organophosphorus compound. ### Claim 8 (depends on 1, 2, 3) A pesticidal composition according to claim 1, 2 or 3, wherein the lipophilic compound as a pesticidally active ingredient (a) is a carbamate compound. ### Claim 9 (depends on 1, 2, 3) A pesticidal composition according to claim 1, 2 or 3, wherein the lipophilic compound as a pesticidally active ingredient (a) is selected from the group consisting of Pyriproxyfen, Fenpropathrine, Fenvalerate, Permethrin, Cyphenothrin, Cypermethrin, Allethrin, Fenitrothion, Cyanophos and Fenobucarb. ### Claim 10 (depends on 1, 2, 3) A pesticidal composition according to any one of claims 1 to 3, wherein the anionic surfactant (c) is an alkylbenzenesulfonic acid. ### Claim 11 (depends on 1, 2, 3) A pesticidal composition according to any one of claims 1 to 3, wherein the fatty acid ester (d) is oleic acid ester or lauric acid ester. ### Claim 12 (depends on 1, 2, 3) A pesticidal composition according to any one of claims 1 to 3, wherein the weight ratio of the fatty acid ester (d) to the aromatic hydrocarbon solvent (e) ranges from 1:5 to 1:1. ### Claim 13 (depends on 4) A pesticidal composition according to claim 4, wherein the anionic surfactant (c) is an alkylbenzenesulfonic acid. ### Claim 14 (depends on 5) A pesticidal composition according to claim 5, wherein the anionic surfactant (c) is an alkylbenzenesulfonic acid. ### Claim 15 (depends on 6) A pesticidal composition according to claim 6, wherein the anionic surfactant (c) is an alkylbenzenesulfonic acid. ### Claim 16 (depends on 7) A pesticidal composition according to claim 7, wherein the anionic surfactant (c) is an alkylbenzenesulfonic acid. ### Claim 17 (depends on 8) A pesticidal composition according to claim 8, wherein the anionic surfactant (c) is an alkylbenzenesulfonic acid. ### Claim 18 (depends on 9) A pesticidal composition according to claim 9, wherein the anionic surfactant (c) is an alkylbenzenesulfonic acid. ### Claim 19 (depends on 4) A pesticidal composition according to claim 4, wherein the fatty acid ester (d) is oleic acid ester or lauric acid ester. ### Claim 20 (depends on 5) A pesticidal composition according to claim 5, wherein the fatty acid ester (d) is oleic acid ester or lauric acid ester. ### Claim 21 (depends on 6) A pesticidal composition according to claim 6, wherein the fatty acid ester (d) is oleic acid ester or lauric acid ester. ### Claim 22 (depends on 7) A pesticidal composition according to claim 7, wherein the fatty acid ester (d) is oleic acid ester or lauric acid ester. ### Claim 23 (depends on 8) A pesticidal composition according to claim 8, wherein the fatty acid ester (d) is oleic acid ester or lauric acid ester. ### Claim 24 (depends on 9) A pesticidal composition according to claim 9, wherein the fatty acid ester (d) is oleic acid ester or lauric acid ester. ### Claim 25 (depends on 4) A pesticidal composition according to claim 4, wherein the weight ratio of the fatty acid ester (d) to the aromatic hydrocarbon solvent (e) ranges from 1:5 to 1:1. ### Claim 26 (depends on 5) A pesticidal composition according to claim 5, wherein the weight ratio of the fatty acid ester (d) to the aromatic hydrocarbon solvent (e) ranges from 1:5 to 1:1. ### Claim 27 (depends on 6) A pesticidal composition according to claim 6, wherein the weight ratio of the fatty acid ester (d) to the aromatic hydrocarbon solvent (e) ranges from 1:5 to 1:1. ### Claim 28 (depends on 7) A pesticidal composition according to claim 7, wherein the weight ratio of the fatty acid ester (d) to the aromatic hydrocarbon solvent (e) ranges from 1:5 to 1:1. ### Claim 29 (depends on 8) A pesticidal composition according to claim 8, wherein the weight ratio of the fatty acid ester (d) to the aromatic hydrocarbon solvent (e) ranges from 1:5 to 1:1. ### Claim 30 (depends on 9) A pesticidal composition according to claim 9, wherein the weight ratio of the fatty acid ester (d) to the aromatic hydrocarbon solvent (e) ranges from 1:5 to 1:1. ### Claim 31 (depends on 1) The pesticidal composition according to claim 1, wherein the anionic surfactant (c) is an alkylbiphenyl sulfonic acid salt. ### Claim 32 (depends on 1, 3) The pesticidal composition according to one of claim 1 or 3, wherein the pesticidally active ingredient is an insecticide or an insect growth regulator.