Processes for the production of paper and paper board
US5185061A · kind A · utility
10Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 1991 |
| Grant date | Feb 9, 1993 |
| Priority date | — |
| Expiry date | Jun 5, 2011 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H21/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The use of very high molecular weight polymers which are substantially completely water soluble as flocculants in paper making improves drainage time without adversely affecting formation, even when used in high shear processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.