EP 0356806 A2 19900307 - Process for the production of chromic acid.
Title (en)
Process for the production of chromic acid.
Title (de)
Verfahren zur Herstellung von Chromsäure.
Title (fr)
Procédé de production d'acide chromique.
Publication
Application
Priority
DE 3829125 A 19880827
Abstract (en)
The present invention relates to a process for the production of chromic acid by electrolysing dichromate and/or monochromate solutions in electrolysis cells whose anode and cathode spaces are separated by cation exchanger membranes.
Abstract (de)
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von Chromsäure durch Elektrolyse von Dichromat- und/oder Monochromat-Lösungen in Elektrolysezellen, deren Anoden- und Kathodenräume durch Kationenaustauschermembranen getrennt sind.
IPC 1-7
IPC 8 full level
C01G 37/14 (2006.01); C25B 1/14 (2006.01); C25B 1/22 (2006.01)
CPC (source: EP US)
C25B 1/22 (2013.01 - EP US)
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
EP 0356806 A2 19900307; EP 0356806 A3 19900418; EP 0356806 B1 19920624; AR 244351 A1 19931029; BR 8904279 A 19900417; CA 1337808 C 19951226; DE 3829125 A1 19900301; DE 58901743 D1 19920730; ES 2032636 T3 19930216; JP 2839154 B2 19981216; JP H02102127 A 19900413; MX 171486 B 19931029; TR 24639 A 19911225; US 5071522 A 19911210
DOCDB simple family (application)
EP 89115034 A 19890815; AR 31475489 A 19890825; BR 8904279 A 19890825; CA 609436 A 19890825; DE 3829125 A 19880827; DE 58901743 T 19890815; ES 89115034 T 19890815; JP 21618289 A 19890824; MX 1710689 A 19890808; TR 69389 A 19890822; US 66303191 A 19910225