US 11,708,546 B2
Benefit agent containing delivery particle
Johan Smets, Lubbeek (BE); Corey James Kenneally, Mason, OH (US); Ariel Lebron, Cincinnati, OH (US); Pascale Claire Annick Vansteenwinckel, Weerde (BE); Robert Stanley Bobnock, Menasha, WI (US); Peggy Dorothy Sands, Appleton, WI (US); Todd Arlin Schwantes, Lena, WI (US); and Chad Alexander Hladilek, Appleton, WI (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Sep. 10, 2019, as Appl. No. 16/565,525.
Application 16/565,525 is a continuation of application No. PCT/US2017/022614, filed on Mar. 16, 2017.
Prior Publication US 2020/0002654 A1, Jan. 2, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. C11D 17/00 (2006.01); C11D 17/04 (2006.01); C11D 3/22 (2006.01); C11D 3/37 (2006.01); C11D 3/382 (2006.01); C11D 3/386 (2006.01); C11D 3/50 (2006.01); C11D 3/00 (2006.01); C11D 11/00 (2006.01)
CPC C11D 17/0039 (2013.01) [C11D 3/001 (2013.01); C11D 3/505 (2013.01); C11D 11/0017 (2013.01)] 18 Claims
 
1. A composition comprising a consumer product adjunct material and benefit agent containing delivery particles comprising a core and a shell encapsulating said core, said benefit agent containing delivery particles comprising:
a) based on total benefit agent containing delivery particle core weight from 0.1% to 0.9% polyvinyl alcohol; said polyvinyl alcohol based on total encapsulated benefit agent particle core weight having at least one of the following properties:
(i) a hydrolysis degree from about 55% to about 99%;
(ii) a viscosity of from about 40 mPa·s to about 120 mPa·s in 4% water solution at 20° C.;
(iii) a degree of polymerization of from about 1,500 to about 2,500;
(iv) number average molecular weight of from about 65,000 Da to about 110,000 Da;
b) said benefit agent containing delivery particles having a volume weighted mean particle size from about 0.5 microns to about 100 microns,
said benefit agent containing delivery particles' shell comprising, said polyvinyl alcohol and one or more polyacrylate polymers, said core comprising, based on total core weight, greater than 10% of a partitioning modifier that comprises a material selected from the group consisting of propan-2-yl tetradecanoate, vegetable oil, modified vegetable oil, and mixtures thereof;
wherein said consumer product adjunct material comprises enzymes;
said composition being a consumer product.