Process for producing cross-linked polyallylamine hydrochloride
US6525113B2 · kind B2 · utility
7Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2001 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Jul 11, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a process for preparing a cross-linked pollyallylamine hydrochloride. The process involves mixing polyallylamine hydrochloride, water, a hydroxide or alkoxide, and a water-miscible organic solvent or co-solvents, to a reaction mixture and adding a cross-linking agent to the reaction mixture to form a cross-linked polyallylamine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.