Patent · US Expired

Cation exchange membrane

US4337141A · kind A · utility

6Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 5, 1980
Grant dateJun 29, 1982
Priority date
Expiry dateAug 5, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A20/124
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A cation exchange membrane reinforced by one sheet of a woven fabric made of folded glass-fiber-filament yarns subjected to a bulky treatment is found to be improved in dimensional stability, water permeability (water leakage) and durability with much improved adhesion of the reinforcement to the resin constituting the cation exchange membrane.

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