Novel polyvinyl alcohol compositions and products prepared therefrom
US4851168A · kind A · utility
67Cited by
10References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1988 |
| Grant date | Jul 25, 1989 |
| Priority date | — |
| Expiry date | Dec 28, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2329/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Solutions of polyvinyl alcohol in non-aqueous mixtures of dimethyl sulfoxide and up to about 30 weight percent, based on said mixture, of an alcohol containing from 1 to about 4 carbon atoms can be converted to hydrogels, fibers and other useful products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.