Copolyetherester-hexahydrophthalate ester-block copolymers
US4581420A · kind A · utility
5Cited by
14References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 24, 1984 |
| Grant date | Apr 8, 1986 |
| Priority date | — |
| Expiry date | Dec 24, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/672
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Improved copolyether ester elastomers having excellent melt and crystallization temperatures as well as improved compression set as compared to prior art copolyetheresters are prepared by incorporating therein hexahydrophthalic ester polymer blocks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.