Patent · US Expired

Polyester amide and process for producing the same

US4376194A · kind A · utility

36Cited by
9References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 1981
Grant dateMar 8, 1983
Priority date
Expiry dateAug 17, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09J177/12
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polyester amide having excellent mechanical strength, transparency, resistance to oil, adhesive property and heat-sensitivity, comprises (A) an ester unit derived mainly from a benzenedicarboxylic acid and 1,4-butanediol and (B) an amide unit consisting of dodecaneamide and/or undecaneamide, the weight ratio of the ester unit to the amide unit being from 5:95 to 95:5.

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