Patent · US Expired

Liquid crystalline polymer composition

US6022491A · kind A · utility

2Cited by
10References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 25, 1998
Grant dateFeb 8, 2000
Priority date
Expiry dateJun 25, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G63/605
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A thermotropic liquid crystalline polymer constituted of repeat units derived from hydroquinone, terephthalic acid, isophthalic acid, 2,6-naphthalene dicarboxylic acid, and 4-hydroxybenzoic acid, all present in defined amounts. Such polymer has excellent physical properties and high temperature stability. It is suitable as a molding resin.

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