Method for making polyetherimides
US3989670A · kind A · utility
14Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1974 |
| Grant date | Nov 2, 1976 |
| Priority date | — |
| Expiry date | Feb 6, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/1053
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for making polyetherimides is provided by melt polymerizing a mixture of certain aromatic bis(etheranhydride)s and organic diamines. The polyetherimides can be reinforced with various fillers to produce high performance composites.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.