Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or nonionic dispersion polymers
US6432271B1 · kind B1 · utility
10Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2001 |
| Grant date | Aug 13, 2002 |
| Priority date | — |
| Expiry date | Oct 15, 2021 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H17/42
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
This invention is directed to a method of increasing retention and drainage in a papermaking furnish comprising adding to the furnish an effective flocculating amount of a high molecular weight water-soluble anionic or nonionic dispersion polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.