Compositions and methods of making paper products
US10196779B2 · kind B2 · utility
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38References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 28, 2016 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Nov 28, 2036 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H23/50
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Paper strength systems including polyamine-polyamidoamine-epihalohydrin (PPAE) resin are disclosed. Also disclosed are methods of forming a paper including applying a strength system comprising PPAE to cellulosic fiber, as well as the resultant paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.