Patent · US Expired

Heat stabilized polymers

US4387191A · kind A · utility

6Cited by
10References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 1982
Grant dateJun 7, 1983
Priority date
Expiry dateMar 25, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/521
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The tendency to crosslink of polymer compositions comprising polymer units derived from acrylonitrile and maleic anhydride is controlled by the use of an acid ester of a phosphorus acid.

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