Patent · US Expired

Liquid crystalline polyester resin

US5710237A · kind A · utility

11Cited by
10References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 8, 1995
Grant dateJan 20, 1998
Priority date
Expiry dateMay 8, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K19/3809
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Liquid crystalline polyesters made from hydroquinone, terephthalic acid, 2,6-naphthalene dicarboxylic acid and 4-hydroxybenzoic acid, and having a selected composition range, have melting points of about 350.degree. C. or less, good physical properties, and are readily manufactured. The polymers are useful as molding resins.

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