	US 12,404,479 B2
	Laundry detergent composition containing graft copolymer and benefit agent
Ming Tang, Beijing (CN); Renae Dianna Fossum, Middletown, OH (US); Kejing Du, Beijing (CN); Xiaoyi Ren, Beijing (CN); Zhen Zhong, Beijing (CN); Haiyan Song, Beijing (CN); and Karen Hussong Strader, Springboro, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on May 23, 2023, as Appl. No. 18/321,834.
Claims priority of application No. PCT/CN2022/104849 (WO), filed on Jul. 11, 2022.
Prior Publication US 2024/0010954 A1, Jan. 11, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C11D 1/00 (2006.01); C11D 1/02 (2006.01); C11D 3/37 (2006.01); C11D 3/50 (2006.01)

CPC C11D 3/3788 (2013.01) [C11D 3/3707 (2013.01); C11D 3/50 (2013.01); C11D 2111/12 (2024.01)]

16 Claims

1. A laundry detergent composition, comprising:

1) from about 0.01% to about 0.75%, by weight of the composition, of a graft copolymer comprising:

a) polyalkylene oxide which has a number average molecular weight of from 1000 to 20,000 Daltons and is based on ethylene oxide, propylene oxide, butylene oxide or mixture thereof;

b)N-vinylpyrrolidone; and

c) vinyl ester derived from a saturated monocarboxylic acid containing from 1 to 6 carbon atoms and/or a methyl or ethyl ester of acrylic or methacrylic acid;

wherein the weight ratio of (a):(b) is from 1:0.1 to 1:2, and

wherein the amount, by weight, of (a) is greater than the amount of (c);

2) from about 0.001% to about 10%, by weight of the composition, of an encapsulated benefit agent comprising a perfume having a ClogP of from about 1.0 and to about 4.0.