Process for controlling pitch deposition from pulp in papermaking systems
US5074961A · kind A · utility
13Cited by
11References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 1989 |
| Grant date | Dec 24, 1991 |
| Priority date | — |
| Expiry date | Jul 17, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S162/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention is a process for controlling pitch deposition from pulp in papermaking systems, by an effective amount of a polymer having methyl ether groups pendant to the backbone of the polymer to the pulp term "polymer". A preferred embodiment of the invention is controlling pitch deposition by adding an effective amount of a water soluble cellulose ether.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.