Inventor
SPRECKELMEYER BERNHARD
DE7 patents
Patents
7 patentsUS4078047AMar 7, 1978
Production of hydrofluoric acid from phosphate-containing fluorspar
BAYER AG8 citations71
US5250274AOct 5, 1993
Process for the production of sodium dichromate
BAYER AG14 citations70
US4010245AMar 1, 1977
Production of hydrogen fluoride and calcium sulfate
BAYER AG14 citations68
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
US4150102AApr 17, 1979
Purifying hydrofluoric acid
BAYER AG4 citations57
US5505918AApr 9, 1996
Method for manufacturing alkali chromates from chromium ore
BAYER AG0 citations49