Process for the production of paper
US6103064A · kind A · utility
26Cited by
10References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 1998 |
| Grant date | Aug 15, 2000 |
| Priority date | — |
| Expiry date | May 13, 2018 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H23/14
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a process for the production of paper from a suspension of cellulose containing fibres, and optional fillers, which comprises adding a water-soluble cationic or amphoteric branched acrylamide-based polymer and an anionic aluminium-containing silica sol to the suspension and forming and draining the suspension on a wire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.