Multilayer dissolvable solid article and method of making same

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United States of America Patent

PATENT NO 12084631
APP PUB NO 20200308517A1
SERIAL NO

16822138

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Abstract

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This invention provides a multilayer dissolvable solid article, which comprises two or more flexible, dissolvable, porous sheets. Each of such two or more sheets is characterized by a Percent Open Cell Content of from about 80% to 100% and an Overall Average Pore Size of from about 100 μm to about 2000 μm and comprises a water-soluble polymer. At least two adjacent sheets in such dissolvable solid article are characterized by an Adhesion Score (AdS) of no less than 1, while the contacting surfaces of said at least two adjacent sheets are essentially free of adhesives. Preferably, the multilayer dissolvable solid article is essentially free of adhesives.

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Patent Owner(s)

Patent OwnerAddress
THE PROCTER AND GAMBLE COMPANYONE PROCTER & GAMBLE PLAZA CENTRAL DOCKETING CENTRAL BLDG -C9 CINCINNATI OH 45202

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Hongling Beijing, CN 11 66
Glenn,, Jr Robert Wayne Singapore, SG 160 5704
Huang, Xu Beijing, CN 56 179
Jiang, Min Beijing, CN 85 928
MacNamara, Carl David Beijing, CN 5 0
Nogueira, Meza Gabrielle Alejandro Cincinnati, US 2 4
Okada, Toshiyuki Singapore, SG 52 661
Tan, Hongsing Beijing, CN 24 95
Tang, Ming Beijing, CN 113 509

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