US 11,680,232 B2
Laundry detergent sheet with microcapsules
Hong Sing Tan, Beijing (CN); Ming Tang, Beijing (CN); Mark Robert Sivik, Cincinnati, OH (US); and Frank William Denome, Cincinnati, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Oct. 22, 2020, as Appl. No. 17/77,345.
Application 17/077,345 is a division of application No. 15/888,115, filed on Feb. 5, 2018, abandoned.
Claims priority of application No. 2017/072927 (CN), filed on Feb. 6, 2017.
Prior Publication US 2021/0040420 A1, Feb. 11, 2021
Int. Cl. C11D 11/00 (2006.01); C11D 17/06 (2006.01); C11D 3/50 (2006.01); C11D 3/37 (2006.01); C11D 1/37 (2006.01); C11D 17/00 (2006.01); C11D 17/04 (2006.01); C11D 3/22 (2006.01); C11D 1/83 (2006.01); C11D 1/22 (2006.01); C11D 1/14 (2006.01); C11D 1/24 (2006.01); C11D 1/72 (2006.01)
CPC C11D 3/505 (2013.01) [C11D 1/37 (2013.01); C11D 1/83 (2013.01); C11D 3/222 (2013.01); C11D 3/3707 (2013.01); C11D 3/3753 (2013.01); C11D 11/0017 (2013.01); C11D 11/0082 (2013.01); C11D 17/0039 (2013.01); C11D 17/044 (2013.01); C11D 17/06 (2013.01); C11D 1/146 (2013.01); C11D 1/22 (2013.01); C11D 1/24 (2013.01); C11D 1/72 (2013.01)] 14 Claims
 
1. A method of making a non-fibrous water-soluble laundry detergent sheet comprising dispensing a microcapsule as a microcapsule slurry at a temperature of about 50° C. to about 100° C. onto a precursor non-fibrous laundry detergent sheet, wherein the precursor non-fibrous laundry detergent sheet comprises: (a) at least one surfactant; and (b) at least one film former wherein the precursor non-fibrous laundry detergent sheet has; and comprising a water-soluble polymer a thickness ranging from 0.5 mm to 10 mm.