	US 11,878,077 B2
	Fibrous water-soluble unit dose articles comprising water-soluble fibrous structures
Mark Robert Sivik, Mason, OH (US); Frank William Denome, Cincinnati, OH (US); Mark William Hamersky, Hamilton, OH (US); Sarah Ann Delaney, Hebron, KY (US); Sol Melissa Escobar, Mason, OH (US); Jack Wesley English, III, Liberty Township, OH (US); and Min Mao, Deerfield Township, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Mar. 19, 2020, as Appl. No. 16/823,375.
Claims priority of application No. 19163586 (EP), filed on Mar. 19, 2019.
Prior Publication US 2020/0297645 A1, Sep. 24, 2020
Int. Cl. A61K 9/28 (2006.01); A61K 9/20 (2006.01)

CPC A61K 9/282 (2013.01) [A61K 9/2059 (2013.01)]

13 Claims

1. A fibrous water-soluble unit dose comprising:

a soluble fibrous structure encasing an active agent,

wherein said active agent comprises from 5% to 90% of an active agent acid, wherein the active agent acid has a coating comprising citrate.