Bis-(maleamic acid) derivatives of triamines
US4438280A · kind A · utility
34Cited by
3References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 12, 1982 |
| Grant date | Mar 20, 1984 |
| Priority date | — |
| Expiry date | Jul 12, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/128
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The compositions described herein comprise polyimides having bis-maleimide terminal groups and having the formula: ##STR1## wherein Q is a trivalent aromatic radical, Ar is a divalent aromatic radical, Ar" is a tetravalent aromatic radical and n has a value of 0-20. Derivatives may be made of these compounds by homopolymerization, copolymerization with other copolymerizable materials and by reaction with Diels-Alder reactable materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.