Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or monionic dispersion polymers
US6331229A · kind A · utility
12Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1999 |
| Grant date | Dec 18, 2001 |
| Priority date | — |
| Expiry date | Sep 8, 2019 |
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.