US 12,312,562 B2
Water-soluble unit dose article
Timothy Bullivant, Newcastle upon Tyne (GB); Nicholas Alexander Jesse McGuckin, Newcastle upon Tyne (GB); Helen Amy Lang, Newcastle upon Tyne (GB); Eric San Jose Robles, Newcastle upon Tyne (GB); and Hossam Hassan Tantawy, Morpetht (GB)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Jun. 30, 2022, as Appl. No. 17/855,158.
Application 17/855,158 is a continuation of application No. PCT/US2021/035100, filed on Jun. 1, 2021.
Claims priority of application No. 20177725 (EP), filed on Jun. 1, 2020.
Prior Publication US 2022/0333046 A1, Oct. 20, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C11D 17/00 (2006.01); C11D 17/04 (2006.01); D04H 1/4309 (2012.01)
CPC C11D 17/044 (2013.01) [D04H 1/4309 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A water-soluble unit dose article comprising a water-soluble fibrous non-woven sheet and a granular laundry detergent composition, wherein the granular laundry detergent composition comprises at least a first plurality of particles;
wherein the water-soluble fibrous non-woven sheet is shaped to form a sealed internal compartment in between one or more of the water-soluble fibrous non-woven sheets by sealing one or more of the water-soluble fibrous non-woven sheets together along one or more seal regions, wherein the granular laundry detergent composition is within said sealed internal compartment;
wherein the water-soluble fibrous non-woven sheet comprises a plurality of water-soluble fibers;
wherein the water-soluble fibers comprise polyvinyl alcohol polymer and between about 0.1% and about 15% by weight of the water-soluble fibers of a gel-breaker;
wherein the polyvinyl alcohol polymer is a polyvinyl alcohol homopolymer;
wherein the polyvinyl alcohol homopolymer has an average MW of between about 50 and about 150 kDa; and
wherein the gel-breaker is polyethylene glycol having a molecular weight of between about 100 and about 800.