Method for making poly-etherimides and products produced thereby
US4024101A · kind A · utility
5Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1975 |
| Grant date | May 17, 1977 |
| Priority date | — |
| Expiry date | Jun 30, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31721
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method is provided for making polyetherimides involving the reaction of aromatic bis(ether anhydride)s and organic diamines in the presence of a phenolic solvent. The resulting polyetherimide-phenolic solvent mixture can be employed as a wire coating enamel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.