Low boiling solubilizer for vinyl pyrrolidone/acrylic acid copolymers
US5219906A · kind A · utility
2Cited by
13References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 1992 |
| Grant date | Jun 15, 1993 |
| Priority date | — |
| Expiry date | Apr 2, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2339/06
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
This invention relates to a solubilizing agent for water insoluble vinyl pyrrolidone/acrylic acid copolymers which comprises a mixture of water and an aliphatic oxygen-containing compound having an oxygen to carbon ratio of between about 1:1 and about 0.1:1 combined in a weight ratio of between about 5:1 and about 1:3 water to aliphatic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.