Patent · US Expired

Thermotropic polyesteramides

US5185424A · kind A · utility

4Cited by
10References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 1990
Grant dateFeb 9, 1993
Priority date
Expiry dateDec 3, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G69/44
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

An aromatic polyesteramide possessing thermotropic liquid crystalline polymer characteristics, which are easily workable in the molten state and have the mesogenic group in the main chain, are obtained by condensing possible substituted aminophenols and hydroquinone derivatives with aromatic dicarboxylic acids.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.