Pitch control process utilizing quaternized polyamine ionene polymer
US4765867A · kind A · utility
23Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1986 |
| Grant date | Aug 23, 1988 |
| Priority date | — |
| Expiry date | Jul 2, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S162/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a process for controlling pitch deposition from pulp in papermaking systems which comprises adding to the pulp an effective amount of a water-soluble quaternized polyamine ionene polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.