Use of acrylamide copolymer to reduce stickies deposits
US6387215B1 · kind B1 · utility
0Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2001 |
| Grant date | May 14, 2002 |
| Priority date | — |
| Expiry date | May 18, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S162/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for controlling/reducing the deposition of stickies from paper stock suspensions in papermaking involving the steps of: (a) providing a paper stock suspension containing stickies; and (b) contacting the stickies in the paper stock suspension with a copolymer of about 75-95 wt % acrylamide and about 5-25 wt % vinyl acetate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.