Patent · US Expired

Alternating copolyamide prepared on a polymer matrix

US4556697A · kind A · utility

20Cited by
3References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 25, 1983
Grant dateDec 3, 1985
Priority date
Expiry dateJul 25, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G69/28
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Nylon-type polyamides are produced by the polycondensation of a non-wholly aromatic diacid and diamine in the presence of a poly(ethylene oxide) matrix.

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