EP 0356806 B1 19920624 - PROCESS FOR THE PRODUCTION OF CHROMIC ACID
Title (en)
PROCESS FOR THE PRODUCTION OF CHROMIC ACID
Publication
Application
Priority
DE 3829125 A 19880827
Abstract (en)
[origin: EP0356806A2] 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.
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