EP 0268319 A3 19890524 - METHOD FOR EXTRACTING MN METAL AND MANGANESE DIOXIDE FROM DIVALENT MN SALT SOLUTIONS

Title (en)

METHOD FOR EXTRACTING MN METAL AND MANGANESE DIOXIDE FROM DIVALENT MN SALT SOLUTIONS

Publication

EP 0268319 A3 19890524 (EN)

Application

EP 87202092 A 19871030

Priority

IT 2228786 A 19861111

Abstract (en)

[origin: EP0268319A2] The invention relates to the simultaneous obtention of elemental Mn and Mn dioxide(gamma) starting from manganese sulphate solutions by electrolysis of same in a cell split by an anionic diaphragm into an anodic and a cathodic compartment.

IPC 1-7

C25B 1/00; C25C 1/10

IPC 8 full level

C25B 1/21 (2006.01); C25C 1/10 (2006.01)

CPC (source: EP)

C25B 1/21 (2013.01); C25C 1/10 (2013.01)

Citation (search report)

[A] US 2417259 A 19470311 - AUSTIN MITCHELL THOMAS, et al
[A] US 3790458 A 19740205 - AGLADZE R, et al
[A] CHEMICAL ABSTRACTS, vol. 108, no. 3, February 1988, page 568, abstract no. 64666c, Columbus, Ohio, US; & JP-A-85 104 334 (FUJIAN REACHER'S UNIVERSITY)
[A] CHEMICAL ABSTRACTS, vol. 79, no. 16, 22nd October 1973, page 548, abstract no. 99888m; & SU-A-380 742 (LENIN, V.I., GEORGIAN POLYTECHNIC INSTITUTE) 20-07-1970

Designated contracting state (EPC)

CH DE ES FR GB GR LI SE

DOCDB simple family (publication)

EP 0268319 A2 19880525; EP 0268319 A3 19890524; EP 0268319 B1 19920506; DE 3778834 D1 19920611; ES 2032816 T3 19930301; FI 874969 A0 19871111; FI 874969 A 19880512; GR 3004734 T3 19930428; IT 1199841 B 19890105; IT 8622287 A0 19861111; IT 8622287 A1 19880511; NO 874652 D0 19871109; NO 874652 L 19880513

DOCDB simple family (application)

EP 87202092 A 19871030; DE 3778834 T 19871030; ES 87202092 T 19871030; FI 874969 A 19871111; GR 920401083 T 19920527; IT 2228786 A 19861111; NO 874652 A 19871109