Naphthyloxybenzoic and naphthloxynaphthoic acid compounds
US5169978A · kind A · utility
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7Claims
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Key dates
| Filing date | Dec 16, 1991 |
| Grant date | Dec 8, 1992 |
| Priority date | — |
| Expiry date | Dec 16, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C69/94
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel (naphthyloxy)benzoic/naphthoic acid compounds, polymerizable into thermotropic polymers have the formulae: ##STR1## in which R is hydrogen, a straight or branched chain aliphatic or cycloaliphatic hydrocarbon radical having from 1 to 4 carbon atoms or a radical ##STR2## wherein R' is a methyl or ethyl radical, or salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.