Method of producing absorbent structures with high wet strength, absorbency, and softness
US10422082B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Aug 25, 2017 |
| Grant date | Sep 24, 2019 |
| Priority date | — |
| Expiry date | Aug 25, 2037 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/30
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of making an absorbent structure including forming a stock mixture of fibers, a cationic wet strength resin, an anionic polyacrylamide and a cellulase enzyme, and at least partially drying the stock mixture to form a web.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.