Liquid-crystalline, thermotropic aromatic polyester from hydroquinone mixture
US4966957A · kind A · utility
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10Claims
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Key dates
| Filing date | Dec 22, 1988 |
| Grant date | Oct 30, 1990 |
| Priority date | — |
| Expiry date | Dec 22, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/19
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Liquid-crystalline, thermotropic, aromatic polyesters processable in the molten state, comprising units derived from hydroquinones substituted with aryl, aralkyl and aroyl groups, and from phenoxy-hydroquinone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.