US 12,234,431 B2
Water-soluble unit dose articles comprising water-soluble fibrous structures and particles
Mark Robert Sivik, Mason, OH (US); Frank William Denome, Cincinnati, OH (US); Michael Joseph Dipaola, Cincinnati, OH (US); Rui Shen, Beijing (CN); and Stephen Robert Glassmeyer, Cincinnati, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Mar. 18, 2021, as Appl. No. 17/204,976.
Application 17/204,976 is a continuation of application No. PCT/CN2019/109818, filed on Oct. 3, 2019.
Claims priority of provisional application 62/740,743, filed on Oct. 3, 2018.
Claims priority of provisional application 62/796,730, filed on Jan. 25, 2019.
Prior Publication US 2021/0222088 A1, Jul. 22, 2021
Int. Cl. C11D 1/22 (2006.01); C11D 1/06 (2006.01); C11D 1/29 (2006.01); C11D 3/30 (2006.01); C11D 3/34 (2006.01); C11D 3/37 (2006.01); C11D 3/386 (2006.01); C11D 3/395 (2006.01); C11D 3/40 (2006.01); C11D 3/50 (2006.01); C11D 17/04 (2006.01); C11D 17/06 (2006.01)
CPC C11D 3/3409 (2013.01) [C11D 1/06 (2013.01); C11D 1/22 (2013.01); C11D 3/3723 (2013.01); C11D 3/386 (2013.01); C11D 3/395 (2013.01); C11D 3/40 (2013.01); C11D 3/505 (2013.01); C11D 17/042 (2013.01); C11D 17/06 (2013.01); C11D 17/065 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A water-soluble unit dose article comprising a water-soluble fibrous structure comprising a particle comprising a ratio by weight of Linear Alkylbenzene Sulfonate to Alkylethoxylated Sulfate of greater than 1.2, wherein the particle exhibits a density of less than 500 grams per liter and exhibits a particle size distribution such that D10 is greater than about 300 micrometers and the D90 is less than about 1100 micrometers, wherein the linear alkylbenzene sulfonate has a carbon chain length of C6-C20 and wherein the alkylethoxylated sulfate has a carbon chain length of C12-C18 and an average degree of the ethoxylation from about 0.5 to about 3.0.