Inventor
LOENHOFF NORBERT
DE13 patents
Patents
13 patentsUS5127999AJul 7, 1992
Process for the preparation of alkali metal dichromates and chromic acid by electrolysis
BAYER AG22 citations92
US5128000AJul 7, 1992
Dimensionally stable anodes and their use in the preparation of alkali metal dichromates and chromic acid
BAYER AG19 citations82
US5181994AJan 26, 1993
Process for the preparation of chromic acid
BAYER AG11 citations73
US5273735ADec 28, 1993
Process for the preparation of sodium dichromate
BAYER AG9 citations72
US5250274AOct 5, 1993
Process for the production of sodium dichromate
BAYER AG14 citations70
US5096548AMar 17, 1992
Process for the preparation of chromic acid
BAYER AG4 citations62
US5094729AMar 10, 1992
Processes for the preparation of alkali metal dichromates and chromic acid
BAYER AG2 citations62
US5051155ASep 24, 1991
Processes for the preparation of alkali metal dichromates and chromic acid
BAYER AG2 citations62
US4981573AJan 1, 1991
Process for the production of alkali dichromates and chromic acid employing an anode of valve metal activated by electrodepositing noble metals from melts
BAYER AG4 citations62
US5068015ANov 26, 1991
Electrochemical process for the production of chromic acid
BAYER AG5 citations61
US5667759ASep 16, 1997
Method for manufacturing alkali chromates from chromium ore
BAYER AG4 citations59
US5071522ADec 10, 1991
Process for the preparation of chromic acid
BAYER AG1 citations51
US5505918AApr 9, 1996
Method for manufacturing alkali chromates from chromium ore
BAYER AG0 citations49