Hydrogenated block copolymers having varying sizes of hydrogenated vinyl aromatic blocks
US6583230B2 · kind B2 · utility
1Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2001 |
| Grant date | Jun 24, 2003 |
| Priority date | — |
| Expiry date | Oct 31, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/21
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention is a composition comprising an alternating hydrogenated block copolymer having at least two hydrogenated vinyl aromatic polymer blocks and at least one conjugated diene polymer block, wherein the number average molecular weights (Mn) of each block can be different.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.