Patent · US Expired

Bipolar membrane

US5401408A · kind A · utility

30Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 1993
Grant dateMar 28, 1995
Priority date
Expiry dateDec 3, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2327/18
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A bipolar membrane comprising a cation exchange membrane, an anion exchange membrane and an inorganic ion exchanger layer having a thickness of from 0.01 to 100 .mu.m present at the interface between the cation exchange membrane and the anion exchange membrane.

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