Paper strength improving polymer composition and additive system, use thereof, and manufacture of paper products
US10914038B2 · kind B2 · utility
0Cited by
6References
25Claims
0Family size
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Key dates
| Filing date | May 14, 2018 |
| Grant date | Feb 9, 2021 |
| Priority date | — |
| Expiry date | Jun 14, 2038 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A polymer composition including an anionic synthetic polymer, an anionic polysaccharide, including a strength additive system, a paper product and a method of production.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.