Detergent formulations with high water content and anti-redeposition polymers

US10597611B2 · kind B2 · utility

Assignees

• DOW GLOBAL TECHNOLOGIES LLC · US
• Rohm and Haas Company · US

Inventors

• Anne Oberlin · Antibes, FR
• Asghar A. Peera · Cary, US
• Scott Backer · Phoenixville, US
• Matthew J. Jansma · Midland, US

Key dates

• Filing date: Jul 7, 2017
• Grant date: Mar 24, 2020
• Expiry date: Jul 7, 2037

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/0036
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A liquid detergent comprising: (a) from 30 to 80 wt % water; (b) from 5 to 50 wt % surfactants; and (c) from 0.5 to 10 wt % of an acrylic polymer comprising from 20 to 50 wt % polymerized units of (meth)acrylic acid and from 50 to 80 wt % polymerized units of a monomer of structure H2C═C(R)CO2(CH2CH2O)n(CH(R′)CH2O)mR″; wherein R is H or CH3, R′ is C1-C2 alkyl; R″ is C8-C22 alkyl or C8-C16 alkylphenyl; n is an average number from 6-30 and m is an average number from 0-10, provided that n≥m and m+n is 6-30.