Halobutyl elastomers
US8198379B2 · kind B2 · utility
2Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2006 |
| Grant date | Jun 12, 2012 |
| Priority date | — |
| Expiry date | Jul 8, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/30
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to the modification of butyl elastomers, particularly halobutyl elastomers, under solvent free conditions with a phase transfer catalyst in the presence of an alkyl metal salt of an oxygen or sulfur-based nucleophile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.