Processes for reducing contamination of cellulosic liquors
US5744043A · kind A · utility
4Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1996 |
| Grant date | Apr 28, 1998 |
| Priority date | — |
| Expiry date | Jul 22, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/928
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Stickies derived from pulping or deinking of cellulosic material are controlled by adding to the cellulosic liquor containing the stickies an emulsion in water of cross-linked, insoluble, ionisable and swellable polymer particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.