Patent · US Expired

Copolyamides from an isomeric mixture of heptadecane dicarboxylic acid

US3937688A · kind A · utility

2Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 28, 1974
Grant dateFeb 10, 1976
Priority date—
Expiry dateMay 28, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G69/265
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Copolyamides of a C.sub.19 diacid, a coacid selected from isophthalic acid, terephthalic acid, alkyl substituted isophthalic acid or esters thereof and a diamine selected from hexamethylene diamine and trimethyl hexamethylene diamine.

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