Melt-processable copolyesterimide composed of bis-trimellitimide units
US5147962A · kind A · utility
4Cited by
1References
8Claims
0Family size
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Key dates
| Filing date | Sep 4, 1990 |
| Grant date | Sep 15, 1992 |
| Priority date | — |
| Expiry date | Sep 4, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A copolyesterimide composed of bis-trimellitimide units, 2,6-naphthalenedicarboxylic acid units, hydroquinone units and p-hydroxybenzic acid units. This copolyesterimide is melt-processable, and excels in heat resistance and mechanical properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.