Patent · US Expired

Thermoplastic copolyester elastomer

US4355155A · kind A · utility

56Cited by
9References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 14, 1980
Grant dateOct 19, 1982
Priority date
Expiry dateOct 14, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G63/672
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Segmented thermoplastic copolyester elastomers containing recurring polymeric long chain ester units derived from phthalic acids and long chain glycols and short chain ester units derived from phthalic acids and a mixture of 1,4-butanediol and 1,4-butenediol.

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