Manufacture of insoluble and only slightly water-swellable polymers of N-vinyl lactams of improved adsorptivity
US4013825A · kind A · utility
21Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 1975 |
| Grant date | Mar 22, 1977 |
| Priority date | — |
| Expiry date | Jul 3, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12H1/0424
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
Manufacture of insoluble polyvinyl lactams in the absence of oxygen and in the presence of .alpha.- or .beta.-ketocarboxylic acids or esters thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.