Viscosity modifier polybutadiene polymers
US5945485A · kind A · utility
8Cited by
34References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1996 |
| Grant date | Aug 31, 1999 |
| Priority date | — |
| Expiry date | Mar 25, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M2205/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to hydrogenated polybutadiene comprising monomeric units of 1,4-butadiene and 1,2-butadiene addition products. The copolymer is hydrogenated and comprises at least 10% by weight of at least one crystallizable segment and at least one low crystallinity segment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.