Patent · US Expired

Aromatic polyester and filaments

US4347349A · kind A · utility

7Cited by
2References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 28, 1980
Grant dateAug 31, 1982
Priority date
Expiry dateJul 28, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G63/682
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Polyesters of fiber-forming molecular weight consisting esssentially of methyl or chloro-1,4-dioxyphenylene units, terephthaloyl units and small amounts of 6-oxy-2-naphthoyl and units from other difunctional aromatic polyester-forming reactants.

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