Patent · US Expired

Porous oxide diaphragm for alkaline electrolyses, and manufacture thereof

US4356231A · kind A · utility

3Cited by
6References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 1981
Grant dateOct 26, 1982
Priority date
Expiry dateJul 24, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/112
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A porous oxide diaphragm for alkaline electrolysis, in particular water etrolysis, consisting of an in situ oxidized metal powder layer applied onto a permeable framework-forming carrier without heat treatment before oxidation, as well as a process for the manufacture thereof and its utilization.

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