Methods for increasing retention and drainage in papermaking processes
US9512568B2 · kind B2 · utility
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26References
22Claims
0Family size
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Key dates
| Filing date | Jun 9, 2015 |
| Grant date | Dec 6, 2016 |
| Priority date | — |
| Expiry date | Jun 9, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2810/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed herein are methods of increasing retention and drainage in papermaking processes using high molecular-weight, water-soluble polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.