# US 11,306,274 B2 · Liquid detergent composition for hard surfaces > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,306,274 B2 - Document ID: US11306274B2 - Status: Granted - Kind: B2 - Application number: 16/613,098 - Filed: 2018-06-20 - Published: 2020-03-26 - Granted: 2022-04-19 - Earliest claimed: 2017-06-26 - Assignees: Kao Corporation - Applicants: Kao Corporation - Inventors: Shinya Saito; Keigo Suzuki; Takuji Kawamura - Web page: https://patentgrep.com/patent/US11306274B2 ## CPC - C11D 1/75: Amino oxides - C11D 1/835: Mixtures of non-ionic with cationic compounds - C11D 1/40: Monoamines or polyamines; Salts thereof - C11D 17/0008: {aqueous liquid non soap compositions (C11D3/0015, C11D3/3947, C11D3/3956 take precedence)} - C11D 17/08: Liquid soap, {e.g. for dispensers}; capsuled - C11D 1/44: Ethers of polyoxyalkylenes with amino alcohols; Condensation products of epoxyalkanes with amines - C11D 2111/14: Hard surfaces - C11D 2111/20: Industrial or commercial equipment, e.g. reactors, tubes or engines - C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL ## Abstract Provided are a liquid detergent composition for hard surfaces which is excellent in detergency against oil spots including a degenerated oil such as a thermally degenerated oil; and a method for cleaning a hard surface using the liquid detergent composition. The liquid detergent composition for hard surfaces contains (a) an alkyl or alkenyl amine oxide in which the alkyl group or the alkenyl group has a predetermined number of carbons; a monooxyethylene or polyoxyethylene alkyl or alkenyl amine in which the alkyl group or the alkenyl group has 8 or more and 24 or less carbons and the number of added moles of the oxyethylene group is 1 or more and 8 or less; and water, wherein in the amine, the content of (b) a monooxyethylene or polyoxyethylene alkyl or alkenyl amine in which the alkyl group or the alkenyl group has a predetermined number of carbons and the number of added moles of the oxyethylene group is 1 or more and 3 or less is 50% by mass or more. ## Claims ### Claim 1 A liquid detergent composition for hard surfaces, comprising the following component (a1), the following component (b1), the following component (c), and water: component (a1): a compound represented by the following general formula (a11): wherein R11a represents an alkyl group having 8 or more and 12 or less carbons or an alkenyl group having 8 or more and 12 or less carbons, R12a and R13a each independently represent an alkyl group having 1 or more and 3 or less carbons; D represents a —NHC(═O)— group or a —C(═O)NH— group, and E represents an alkylene group having 1 or more and 5 or less carbons; and q1 and p1 represent that q1=0 and p1=0 or q1=1 and p1=1; and component (b1): a compound represented by the following general formula (b11): wherein R11b is an alkyl group having 16 or more and 24 or less carbons or an alkenyl group having 16 or more and 24 or less carbons, EO is an oxyethylene group, each of m1 and n1 is the number of added moles, and independently a number of 0 or more and 3 or less, and m1+n1 is a number of 1 or more and 3 or less, wherein component (b1) is present in a monooxyethylene or polyoxyethylene alkyl or alkenyl amine, in which the alkyl group or the alkenyl group has 8 or more and 24 or less carbons and the number of added moles of the oxyethylene group is 1 or more and 8 or less, in an amount of 50% by mass or more of the amine, wherein the component (c) is one or more kinds selected from 2-(2-n-butoxyethoxy)ethanol, 1-methoxy-2-propanol, dipropylene glycol monomethyl ether, 2-ethoxyethanol, 2-(2-ethoxyethoxy)ethanol, ethylene glycol monobutyl ether, triethylene glycol monobutyl ether, 1-butoxy-2-propanol, dipropylene glycol monobutyl ether, 2-isobutoxyethanol, 2-(2-isobutoxyethoxy)ethanol, 2-phenoxyethanol and ethylene glycol mono(2-ethylhexyl)ether, and wherein a mass ratio of the content of the component (a1) to the content of the component (b1), (a1)/(b1), is 0.1 or more and 20 or less. ### Claim 2 (depends on 1) The liquid detergent composition for hard surfaces according to claim 1, wherein the component (a1) is present in an alkyl or alkenyl amine oxide, in which the alkyl group or the alkenyl group has 8 or more and 18 or less carbons, in an amount of 50% by mass or more of the oxide. ### Claim 3 (depends on 1) The liquid detergent composition for hard surfaces according to claim 1, wherein in the composition, the content of the component (a1) is 0.01% by mass or more and 20% by mass or less, and the content of the component (b1) is 0.01% by mass or more and 20% by mass or less. ### Claim 4 (depends on 1) The liquid detergent composition for hard surfaces according to claim 1, wherein the liquid detergent composition for hard surfaces has a pH of 5 or more and 9 or less. ### Claim 5 (depends on 1) The liquid detergent composition for hard surfaces according to claim 1, wherein the liquid detergent composition for hard surfaces is intended for a food processing installation or a cooking installation. ### Claim 6 (depends on 1) A method for cleaning a hard surface in which oil spots adhered to the hard surface and including a degenerated oil are removed with the detergent composition according to claim 1. ### Claim 7 A liquid detergent composition for hard surfaces which is obtained by formulating (A1) an alkyl or alkenyl amine oxide in which the alkyl group or the alkenyl group has 8 or more and 12 or less carbons (hereinafter referred to as a component (A1)); (B1) a monooxyethylene or polyoxyethylene alkyl or alkenyl amine in which the alkyl group or the alkenyl group has 16 or more and 24 or less carbons and the average number of added moles of the oxyethylene group is 1 or more and 3 or less (hereinafter referred to as a component (B1)); a component (c); and water, wherein the component (c) is one or more kinds selected from 2-(2-n-butoxyethoxy)ethanol, 1-methoxy-2-propanol, dipropylene glycol monomethyl ether, 2-ethoxyethanol, 2-(2-ethoxyethoxy)ethanol, ethylene glycol monobutyl ether, triethylene glycol monobutyl ether, 1-butoxy-2-propanol, dipropylene glycol monobutyl ether, 2-isobutoxyethanol, 2-(2-isobutoxyethoxy)ethanol, 2-phenoxyethanol and ethylene glycol mono(2-ethylhexyl)ether, and wherein a mass ratio of the formulation amount of the component (A1) to the formulation amount of the component (B1), (A1)/(B1), is 0.1 or more and 20 or less. ### Claim 8 A liquid detergent composition for hard surfaces, comprising the following component (a2), the following component (b2), the following component (c), and water: component (a2): a compound represented by the following general formula (a21): wherein R21a represents an alkyl group having 14 or more and 18 or less carbons or an alkenyl group having 14 or more and 18 or less carbons, R22a and R23a each independently represent an alkyl group having 1 or more and 3 or less carbons; D represents a —NHC(═O)— group or a —C(═O)NH— group, and E represents an alkylene group having 1 or more and 5 or less carbons; and q2 and p2 represent that q2=0 and p2=0 or q2=1 and p2=1; and component (b2): a compound represented by the following general formula (b21): wherein R21b is an alkyl group having 8 or more and 14 or less carbons or an alkenyl group having 8 or more and 14 or less carbons, EO is an oxyethylene group, each of m2 and n2 is the number of added moles, and independently a number of 0 or more and 3 or less, and m2+n2 is a number of 1 or more and 3 or less, wherein component (b2) is present in a monooxyethylene or polyoxyethylene alkyl or alkenyl amine, in which the alkyl group or the alkenyl group has 8 or more and 24 or less carbons and the number of added moles of the oxyethylene group is 1 or more and 8 or less, in an amount of 50% by mass or more of the amine, wherein the component (c) is one or more kinds selected from 2-(2-n-butoxyethoxy)ethanol, 1-methoxy-2-propanol, dipropylene glycol monomethyl ether, 2-ethoxyethanol, 2-(2-ethoxyethoxy)ethanol, ethylene glycol monobutyl ether, triethylene glycol monobutyl ether, 1-butoxy-2-propanol, dipropylene glycol monobutyl ether, 2-isobutoxyethanol, 2-(2-isobutoxyethoxy)ethanol, 2-phenoxyethanol and ethylene glycol mono(2-ethylhexyl)ether, and wherein a mass ratio of the content of the component (a2) to the content of the component (b2), (a2)/(b2), is 0.1 or more and 20 or less. ### Claim 9 (depends on 8) The liquid detergent composition for hard surfaces according to claim 8, wherein the component (a2) is present in an alkyl or alkenyl amine oxide, in which the alkyl group or the alkenyl group has 8 or more and 18 or less carbons, in an amount of 50% by mass or more of the oxide. ### Claim 10 (depends on 8) The liquid detergent composition for hard surfaces according to claim 8, wherein in the composition, the content of the component (a2) is 0.01% by mass or more and 20% by mass or less, and the content of the component (b2) is 0.01% by mass or more and 20% by mass or less. ### Claim 11 A liquid detergent composition for hard surfaces which is obtained by formulating (A2) an alkyl or alkenyl amine oxide in which the alkyl group or the alkenyl group has 14 or more and 18 or less carbons (hereinafter referred to as a component (A2)); (B2) a monooxyethylene or polyoxyethylene alkyl or alkenyl amine in which the alkyl group or the alkenyl group has 8 or more and 14 or less carbons and the average number of added moles of the oxyethylene group is 1 or more and 3 or less (hereinafter referred to as a component (B2)); a component (c); and water, wherein the component (c) is one or more kinds selected from 2-(2-n-butoxyethoxy)ethanol, 1-methoxy-2-propanol, dipropylene glycol monomethyl ether, 2-ethoxyethanol, 2-(2-ethoxyethoxy)ethanol, ethylene glycol monobutyl ether, triethylene glycol monobutyl ether, 1-butoxy-2-propanol, dipropylene glycol monobutyl ether, 2-isobutoxyethanol, 2-(2-isobutoxyethoxy)ethanol, 2-phenoxyethanol and ethylene glycol mono(2-ethylhexyl)ether, and wherein a mass ratio of the formulation amount of the component (A2) to the formulation amount of the component (B2), (A2)/(B2), is 0.1 or more and 20 or less.