Spiro(bis) indane copolyamide and preparation thereof
US4868279A · kind A · utility
2Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 1988 |
| Grant date | Sep 19, 1989 |
| Priority date | — |
| Expiry date | Feb 16, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G69/14
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Copolyamides are prepared by the reaction of monocyclic spiro(bis)indane polyamide oligomers with lactams in the presence of basic reagents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.