Patent · US Expired

Ion exchange membranes based upon polyphenylene sulfide and fluorocarbon polymeric binder

US4191811A · kind A · utility

60Cited by
6References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 7, 1978
Grant dateMar 4, 1980
Priority date
Expiry dateAug 7, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2327/16
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention related to a heterogeneous cation exchange membrane comprised of particles of sulfonated polyphenylene sulfide polyelectrolyte in a fluorocarbon polymeric binder and to the method of making the same.

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