C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
204/63
C25B 1/22 (2006.01)
Patent
CA 1337808
A process for the preparation of chromic acid by the electrolysis of dichromate and/or monochromate solutions in electrolytic cells in which the anode chamber and the cathode chamber are separated by a cation exchanger membrane, the improvement wherein the chromic acid content of the solution in the anode chamber is periodically increased above that of a continous operating state.
609436
Block Hans-Dieter
Klotz Helmut
Lonhoff Norbert
Pinter Hans Dieter
Weber Rainer
Aktiengesellschaft Bayer
Block Hans-Dieter
Fetherstonhaugh & Co.
Klotz Helmut
Lonhoff Norbert
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