Insoluble vinyl lactam clarifiers
US4792400A · kind A · utility
6Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 1987 |
| Grant date | Dec 20, 1988 |
| Priority date | — |
| Expiry date | Mar 9, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2339/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a highly filterable, water insoluble vinyl lactam polymer and to a process for improving filterability of such polymer which comprises irradiation with a source of radiant energy at a dosage sufficient to effect additional cross-linking and or saturation of the polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.