Liquid crystalline polyesters
US5432249A · kind A · utility
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4Claims
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Assignee
Inventors
Key dates
| Filing date | Dec 21, 1994 |
| Grant date | Jul 11, 1995 |
| Priority date | — |
| Expiry date | Dec 21, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/605
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a novel liquid crystalline polyester comprising structural units represented by the following general formulae A, B, C and D: ##STR1## where X and Y are each independently H, Cl, Br or an alkyl group having 1 to 4 carbon atoms, the molar ratio of A/B is in the range from 49/1 to 20/30 and that of C/D is in the range from 10/40 to 45/5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.