Anionic water-soluble polymer precipitation in salt solution
US6040376A · kind A · utility
4Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1998 |
| Grant date | Mar 21, 2000 |
| Priority date | — |
| Expiry date | Nov 5, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K17/48
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compositions of precipitated anionic polymers containing mixtures of certain salts as well as processes for making and using the same are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.