Method for making polyimides
US4324882A · kind A · utility
26Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 19, 1980 |
| Grant date | Apr 13, 1982 |
| Priority date | — |
| Expiry date | Sep 19, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/1071
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method is provided for making polyimides resulting from aromatic organic dianhydride and organic diamine interaction in the presence of an alkali metal salt of an oxygenated phosphorus compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.