Patent · US Expired

Porous diaphragm for electrolytic cell

US4539085A · kind A · utility

4Cited by
12References
38Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 6, 1983
Grant dateSep 3, 1985
Priority date
Expiry dateDec 6, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25B13/04
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A porous diaphragm for an electrolytic cell enables, e.g., the electrolysis of NaCl to NaOH, in high concentration and in good yield, said diaphragm comprising an electrolytically acceptable porous sheet member having a total pore volume and average equivalent pore diameter adapted for electrolysis, and having an ion exchange resin fixedly deposited within the pores and occupying from 8 to 30% of the total pore volume thereof.

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