Global Patent Index - EP 0131978 B1

EP 0131978 B1 19880217 - PROCESS FOR MANUFACTURING AN ELECTRODE FOR ELECTROCHEMICAL PROCESSES, AND CATHODE FOR THE ELECTROLYTIC PRODUCTION OF HYDROGEN

Title (en)

PROCESS FOR MANUFACTURING AN ELECTRODE FOR ELECTROCHEMICAL PROCESSES, AND CATHODE FOR THE ELECTROLYTIC PRODUCTION OF HYDROGEN

Publication

EP 0131978 B1 19880217 (FR)

Application

EP 84200825 A 19840612

Priority

FR 8310285 A 19830620

Abstract (en)

[origin: ES8504968A1] An electrically conductive substrate is coated with a material containing an unsintered powder of a metal active for electrochemical proton reduction and colloidal silica and the said material is heated on the substrate successively in an oxidizing atmosphere and then in a reducing atmosphere. The electrode may be employed as a cathode for electrolytic production of hydrogen in an alkaline medium.

IPC 1-7

C25B 11/06

IPC 8 full level

C25B 1/02 (2006.01); C25B 1/46 (2006.01); C25B 11/04 (2006.01); C25B 11/06 (2006.01); C25B 11/08 (2006.01)

CPC (source: EP US)

C25B 11/091 (2021.01 - EP US)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0131978 A1 19850123; EP 0131978 B1 19880217; AT E32530 T1 19880315; BR 8403008 A 19850528; CA 1229573 A 19871124; DE 3469374 D1 19880324; ES 533526 A0 19850416; ES 8504968 A1 19850416; FI 74742 B 19871130; FI 74742 C 19880310; FI 842495 A0 19840620; FI 842495 A 19841221; FR 2547598 A1 19841221; JP H0676670 B2 19940928; JP S6024388 A 19850207; NO 162524 B 19891002; NO 162524 C 19900110; NO 842456 L 19841221; PT 78754 A 19840701; PT 78754 B 19860714; US 4534837 A 19850813

DOCDB simple family (application)

EP 84200825 A 19840612; AT 84200825 T 19840612; BR 8403008 A 19840619; CA 455759 A 19840604; DE 3469374 T 19840612; ES 533526 A 19840619; FI 842495 A 19840620; FR 8310285 A 19830620; JP 12726484 A 19840620; NO 842456 A 19840619; PT 7875484 A 19840618; US 62222284 A 19840619