	US 12,291,695 B2
	Particulate laundry softening wash additive comprising a quat and EO/PO block copolymer carrier
Alessandro Corona, III, Wyoming, OH (US); Michael Paul Fontaine, Springboro, OH (US); Lenae Virginia Johnson, Cincinnati, OH (US); Rajan Keshav Panandiker, West Chester, OH (US); Charles L. Schmitt, Cincinnati, OH (US); and Jaden Scott Zerhusen, Florence, KY (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Jun. 1, 2023, as Appl. No. 18/204,539.
Application 18/204,539 is a continuation of application No. 17/519,877, filed on Nov. 5, 2021, granted, now 11,708,545.
Application 17/519,877 is a continuation of application No. 16/703,066, filed on Dec. 4, 2019, granted, now 11,193,091, issued on Dec. 7, 2021.
Claims priority of application No. 18210073 (EP), filed on Dec. 4, 2018.
Prior Publication US 2023/0303952 A1, Sep. 28, 2023
Int. Cl. C11D 1/835 (2006.01); C11D 1/62 (2006.01); C11D 3/04 (2006.01); C11D 3/20 (2006.01); C11D 3/22 (2006.01); C11D 3/37 (2006.01); C11D 17/06 (2006.01)

CPC C11D 3/3707 (2013.01) [C11D 1/62 (2013.01); C11D 3/046 (2013.01); C11D 3/2075 (2013.01); C11D 3/225 (2013.01); C11D 3/227 (2013.01); C11D 17/06 (2013.01)]

19 Claims

1. A process for treating an article of clothing comprising the steps of:

providing an article of clothing in a washing machine; and contacting said article of clothing during a wash sub-cycle of said washing machine with a composition comprising a plurality of particles, said particles comprising:

25% to 94% by weight a water soluble carrier;

10% to 45% by weight a quaternary ammonium compound; and

0.5% to 10% by weight a cationic polymer;

wherein said plurality of particles comprises individual particles, each individual particle having a mass from 1 mg to 1 g; and

wherein said water soluble carrier is selected from the group of EO/PO/EO block copolymer, PO/EO/PO block copolymer, EO/PO block copolymer, PO/EO block copolymer, and combinations thereof, wherein EO is a —CH₂CH₂O— group and PO is a —CH(CH₃)CH₂O— group.