Process for the preparation of low molecular weight hydrogenated nitrile rubber
US6673881B2 · kind B2 · utility
9Cited by
11References
13Claims
0Family size
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Inventor
Key dates
| Filing date | Jun 10, 2002 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | Jun 26, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/905
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A hydrogenated nitrile rubber having lower molecular weights and narrower molecular weight distributions than those known in the art can be prepared by the olefin metathesis of nitrile butadiene rubber, followed by hydrogenation of the resulting metathesized NBR.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.