Polyamide elastomer
US6767988B2 · kind B2 · utility
2Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 23, 2002 |
| Grant date | Jul 27, 2004 |
| Priority date | — |
| Expiry date | Apr 23, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G69/44
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyamide elastomer comprising a hard segment derived from polyamide having no divalent aromatic group and a soft segment derived from polycarbonate diol having no divalent aromatic group has high flexibility and high heat resistance in addition to good physical characteristics of the known polyamide elastomers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.