# US 2016/0355756 A1 · Automatic dishwashing detergent > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0355756 A1 - Document ID: US20160355756A1 - Status: Published application - Kind: A1 - Application number: 15/101,049 - Filed: 2014-11-21 - Published: 2016-12-08 - Earliest claimed: 2013-12-20 - Assignees: Rohm and Haas Company; Union Carbide Chemicals & Plastics Technology Corporation - Applicants: Rohm and Haas Company; Union Carbide Chemicals & Plastics Technology LLC - Inventors: Robert Krasnansky; Severine Ferrieux; Bertrand Ammeux; Jan Edward Shulman; Eric P. Wasserman - Web page: https://patentgrep.com/patent/US20160355756A1 ## CPC - C11D 3/3769: {(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines} - C11D 1/66: Non-ionic compounds {(C11D1/002, C11D1/004, C11D1/008 take precedence)} - C11D 1/72: Ethers of polyoxyalkylene glycols - C11D 1/825: Mixtures of compounds all of which are non-ionic - C11D 1/8255: {containing a combination of compounds differently alcoxylised or with differently alkylated chains} - C11D 3/08: Silicates - C11D 3/10: Carbonates {; Bicarbonates} - C11D 3/33: Amino carboxylic acids - C11D 3/3757: {(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions} - C11D 1/721: {End blocked ethers} - C11D 1/722: Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; {Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups (C11D1/721 takes precedence)} - C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL ## Abstract A dishwashing detergent comprising a builder; a surfactant; a first polymer comprising monoethylenically unsaturated C3-C6 carboxylic acid units and C1-C12 alkyl (meth)acrylate units; and a dispersant comprising a second polymer comprising monoethylenically unsaturated C3-C6 carboxylic acid units. ## Claims ### Claim 1 A phosphate-free dishwashing composition, comprising: 5 to 99 wt % of a builder; 0.1 to 15 wt % of a surfactant of Formula 1, Formula 2, or a combination thereof, R1O—(CH2CH2O)m—(CH2CHR2O)n—R3 (1), R3O—(CH2CHR2O)n/2—(CH2CH2O)m/2—R5O—(CH2CH2O)m/2—(CH2CHR2O)n/2—R3 (2), wherein R1 is a C8-C24 alkyl group, R2 is a C1-C5 alkyl group, R3 is hydrogen, a C1-C12 alkyl group, a C1-C12 arylalkyl group, or a group represented by the Formula 3, —CH2CH(OH)CH2-E-R4, (3) wherein E is a C1-C8 alkylene group or an oxygen atom, and R4 is a C1-C8 alkyl group, m is a number between 1 and 100, and n is a number between 0 and 50, and R5 is a C1-C8 alkylene group; 0.05 and 5 wt % of a first polymer having a weight-average molecular weight between 35,000 and 100,000 g/mol and comprising 22 to 80 wt % of monoethylenically unsaturated C3-C6 carboxylic acid units, and 20 to 78 wt % of C1-C12 alkyl (meth)acrylate units; and 0.5 to 10 wt % of a dispersant comprising a second polymer having a weight-average molecular weight between 1,000 and 30,000 g/mol and comprising 50 to 100 wt % of monoethylenically unsaturated C3-C6 carboxylic acid units; wherein the phosphate-free dishwashing composition comprises less than 0.5 wt % of a phosphate-containing compound, based on a total weight of the dishwashing composition. ### Claim 2 (depends on 1) The composition of claim 1, wherein the surfactant is a low foam surfactant. ### Claim 3 (depends on 1) The composition of claim 1, wherein R1 is a linear C10-C18 alkyl group, R2 is a methyl or ethyl group, and R3 is hydrogen. ### Claim 4 (depends on 1) The composition of claim 1, wherein the monoethylenically unsaturated C3-C6 carboxylic acid units of the first polymer are methacrylic acid units, acrylic acid units, or a combination thereof. ### Claim 5 (depends on 1) The composition of claim 1, wherein the first polymer comprises 10 to 80 wt % of methacrylic acid units, 0 to 30 wt % of acrylic acid units, and 20 to 70 wt % of C1-C12 alkyl (meth)acrylate units. ### Claim 6 (depends on 1) The composition of claim 1, wherein the C1-C12 alkyl (meth)acrylate is ethyl acrylate, butyl acrylate, or a combination thereof. ### Claim 7 (depends on 1) The composition of claim 1, wherein the first polymer comprises 10 to 34 wt % of methacrylic acid units, 10 to 20 wt % of acrylic acid units, and 46 to 70 wt % of C1-C12 alkyl (meth)acrylate units. ### Claim 8 (depends on 1) The composition of claim 1, wherein the first polymer comprises 55 to 80 wt % of methacrylic acid units, 10 to 35 wt % of ethyl acrylate units, and 10 to 35 wt % of butyl acrylate units. ### Claim 9 (depends on 1) The composition of claim 1, wherein the composition comprises less than 0.1 wt % of the phosphate-containing compound. ### Claim 10 (depends on 1) The composition of claim 1, the composition comprises 0 to less than 0.01 wt % of a phosphate-containing compound. ### Claim 11 (depends on 1) The composition of claim 1, wherein the first polymer is a product of free-radical emulsion polymerization in the presence of a C2-C24 alkanethiol. ### Claim 12 (depends on 1) The composition of claim 1, wherein the phosphate-containing compound comprises a phosphate and an oligophosphate; and wherein a total content of the phosphate and the oligophosphate compound, if present in the phosphate-free dishwashing composition, is less than 0.05 wt %, based on a total weight of the dishwashing composition. ### Claim 13 (depends on 1) The composition of claim 1, wherein the composition is sealed in a pouch comprising at least one chamber, in which a content of each chamber is the same or different. ### Claim 14 A phosphate-free dishwashing composition, comprising: 5 to 99 wt % of a builder; 1 to 8 wt % of a surfactant of Formula 1, R1O—(CH2CH2O)m—(CH2CHR2O)n—R3 (1), wherein R1 is a C8-C24 alkyl group, R2 is a C1-C5 alkyl group, R3 is hydrogen, m is a number between 10 and 30, and n is a number between 0 and 8; 0.05 and 1 wt % of a first polymer having a weight-average molecular weight between 35,000 and 100,000 g/mol and comprising 22 to 80 wt % of monoethylenically unsaturated C3-C6 carboxylic acid units, and 20 to 78 wt % of C1-C12 alkyl acrylate units; and 1 to 8 wt % of a dispersant comprising a second polymer having a weight-average molecular weight between 1,000 and 30,000 g/mol and comprising 50 to 100 wt % of monoethylenically unsaturated C3-C6 carboxylic acid units; wherein the phosphate-free dishwashing composition comprises less than 0.5 wt % of a phosphate-containing compound, based on a total weight of the dishwashing composition. ### Claim 15 (depends on 14) The composition of claim 14, wherein the composition comprises less than 0.1 wt % of the phosphate-containing compound. ### Claim 16 (depends on 1) A method of dishwashing, the method comprising contacting a surface to be washed with the dishwashing composition of claim 1. ### Claim 17 A method of manufacturing a dishwashing composition, the method comprising contacting 5 to 99 wt % of a builder; 0.1 to 15 wt % of a surfactant of Formula 1, Formula 2, or a combination thereof, R1O—(CH2CH2O)m—(CH2CHR2O)n—R3 (1), R3O—(CH2CHR2O)n/2—(CH2CH2O)m/2—R5O—(CH2CH2O)m/2—(CH2CHR2O)n/2—R3 (2), wherein R1 is a C8-C24 alkyl group, R2 is a C1-C5 alkyl group, R3 is hydrogen or a C1-C12 alkyl or arylalkyl group or a group represented by the Formula 3, —CH2CH(OH)CH2-E-R4, (3), wherein E is a C1-C8 alkylene group or an oxygen atom, and R4 is a C1-C8 alkyl group, m is a number between 1 and 100, and n is a number between 0 and 50, and R5 is a C1-C8 alkylene group; 0.05 and 5 wt % of a first polymer having a weight-average molecular weight between 35,000 and 100,000 g/mol and comprising 22 to 80 wt % of monoethylenically unsaturated C3-C6 carboxylic acid units, and 20 to 78 wt % of C1-C12 alkyl (meth)acrylate units; and 0.5 to 10 wt % of a dispersant comprising a second polymer having a weight-average molecular weight between 1,000 and 30,000 g/mol and comprising 50 to 100 wt % of monoethylenically unsaturated C3-C6 carboxylic acid units; wherein the dishwashing composition comprises less than 0.5 wt % of a phosphate-containing compound, based on a total weight of the dishwashing composition.