Method for hydrogenation of polymers in dispersed medium
US7148292B2 · kind B2 · utility
1Cited by
7References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2002 |
| Grant date | Dec 12, 2006 |
| Priority date | — |
| Expiry date | Apr 11, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention concerns a method for hydrogenation of unsaturated polymers in dispersed medium based on an oxidation-reduction system containing hydrazine, an oxidant such as a peroxide and optionally a carboxylic acid. The hydrogenation rate can reach 100% in certain conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.