Patent · US Expired

Naphthyloxybenzoic and naphthloxynaphthoic acid compounds

US5169978A · kind A · utility

0Cited by
3References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 16, 1991
Grant dateDec 8, 1992
Priority date
Expiry dateDec 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.