Copolymers of vinyl alcohol and itaconic acid for use in paper coatings
US7371796B2 · kind B2 · utility
1Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2004 |
| Grant date | May 13, 2008 |
| Priority date | — |
| Expiry date | Jan 31, 2026 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H19/60
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially of a polyvinyl alcohol copolymer that is at least about 95% hydrolyzed, and a process for preparing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.