Continuous process for the preparation of a cationically modified acrylamide polymer
US4022741A · kind A · utility
17Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1976 |
| Grant date | May 10, 1977 |
| Priority date | — |
| Expiry date | Mar 15, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/32
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for preparing a dilute aqueous solution of a cationically modified polyacrylamide from a water-in-oil emulsion of a finely divided water soluble acrylamide polymer, a secondary amine containing 2 - 4 carbon atoms and formaldehyde is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.