The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2024
Filed:
Mar. 18, 2020
The Procter & Gamble Company, Cincinnati, OH (US);
Hongsing Tan, Beijing, CN;
Robert Wayne Glenn, Jr., Singapore, SG;
Carl David MacNamara, Beijing, CN;
Ming Tang, Beijing, CN;
Toshiyuki Okada, Singapore, SG;
Hongling Chen, Beijing, CN;
Xu Huang, Beijing, CN;
Gabrielle Alejandro Nogueira Meza, Cincinnati, OH (US);
Min Jiang, Beijing, CN;
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
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.