Product and process for making quaternized, water soluble vinylpyridine carboxylate polymers
US6156829A · kind A · utility
2Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1998 |
| Grant date | Dec 5, 2000 |
| Priority date | — |
| Expiry date | Dec 15, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3796
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to stable, quaternized vinylpyridine carboxylate co-polymers, useful as dye transfer inhibitors and polymers complexable with active agrochemicals or pharmaceuticals for controlled release thereof, and to a commercial process for the synthesis thereof in high yield and purity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.