US 10,968,537 B2
Fibrous elements comprising polyethylene oxide
Mark Robert Sivik, Mason, OH (US); Mark William Hamersky, Hamilton, OH (US); Paul R. Mort, III, Cincinnati, OH (US); Jose Manuel Montenegro-Alvarado, Hamilton, OH (US); and Seth Edward Lindberg, West Chester, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on May 16, 2019, as Appl. No. 16/413,979.
Application 16/413,979 is a continuation of application No. 15/408,451, filed on Jan. 18, 2017, granted, now 10,294,586.
Claims priority of provisional application 62/281,406, filed on Jan. 21, 2016.
Prior Publication US 2019/0271099 A1, Sep. 5, 2019
This patent is subject to a terminal disclaimer.
Int. Cl. C11D 3/37 (2006.01); D01F 6/66 (2006.01); D01F 1/10 (2006.01); C11D 1/14 (2006.01); C11D 1/22 (2006.01); C11D 17/04 (2006.01); D01F 6/34 (2006.01); D01F 6/14 (2006.01)
CPC D01F 6/66 (2013.01) [C11D 1/146 (2013.01); C11D 1/22 (2013.01); C11D 3/3707 (2013.01); C11D 3/3761 (2013.01); C11D 17/041 (2013.01); D01F 1/10 (2013.01); D01F 6/34 (2013.01); D01F 6/14 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A fibrous structure comprising a plurality of fibrous elements and a plurality of active agent-containing particles, wherein the plurality of fibrous elements comprise one or more fibrous element-forming materials and a first polyethylene oxide, wherein the first polyethylene oxide exhibits a weight average molecular weight of greater than 10,000 g/mol but less than 500,000 g/mol as measured according to the Weight Average Molecular Weight Test Method.