US 12,252,665 B2
Aqueous liquid hand dishwashing detergent formulation
Saugata Nad, Brussels (BE); Serge Creutz, Liege (BE); and Christel Simon, Lobbes (BE)
Assigned to Dow Silicones Corporation, Midland, MI (US)
Appl. No. 17/637,649
Filed by Dow Silicones Corporation, Midland, MI (US)
PCT Filed Oct. 14, 2020, PCT No. PCT/US2020/055446
§ 371(c)(1), (2) Date Feb. 23, 2022,
PCT Pub. No. WO2021/072411, PCT Pub. Date Apr. 15, 2021.
Claims priority of provisional application 62/912,285, filed on Oct. 8, 2019.
Prior Publication US 2022/0275308 A1, Sep. 1, 2022
Int. Cl. C11D 1/00 (2006.01); B08B 3/04 (2006.01); C11D 1/29 (2006.01); C11D 1/66 (2006.01); C11D 1/831 (2006.01); C11D 1/88 (2006.01); C11D 3/00 (2006.01); C11D 3/22 (2006.01); C11D 3/37 (2006.01); C11D 11/00 (2006.01); C11D 17/00 (2006.01)
CPC C11D 1/29 (2013.01) [C11D 1/831 (2013.01); C11D 3/0094 (2013.01); C11D 3/3707 (2013.01); C11D 3/3765 (2013.01); C11D 3/378 (2013.01); C11D 17/0008 (2013.01); C11D 3/0047 (2013.01); C11D 2111/18 (2024.01)] 16 Claims
 
1. Aqueous liquid hand dishwashing detergent formulation, comprising:
water;
an anionic surfactant;
a suds enhancing additive, wherein the suds enhancing additive comprises (i) a polyacrylic acid homopolymer having a weight average molecular weight, Mw, of 1,000 to 7,500 Daltons; (ii) a nonionic surfactant; and (iii) a sulfonated polymer, wherein the sulfonated polymer has a weight average molecular weight of 1,000 to 25,000 Daltons;
a cellulose polymer; and
a poly(ethylene oxide) polymer, wherein the poly(ethylene oxide) polymer has a weight average molecular weight, MW, of 750,000 to 10,000,000 Daltons.