Treatment of acrylamide polymer gel
US4132844A · kind A · utility
3Cited by
7References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 23, 1977 |
| Grant date | Jan 2, 1979 |
| Priority date | — |
| Expiry date | May 23, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F6/001
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for reducing the amount of water-insolubles and free monomer in an aqueous acrylamide polymer gel whereby the gel is heated at from about 80.degree. C to about 150.degree. C for at least about 30 minutes while the water content of the gel is maintained substantially constant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.