Inventor
WITZKE LOTHAR
10 patents
Patents
10 patentsUS4162294AJul 24, 1979
Process for working up nonferrous metal hydroxide sludge waste
GOLDSCHMIDT AG TH23 citations81
US4242127ADec 30, 1980
Process for treating hydroxide sludge residues containing nonferrous metals
GOLDSCHMIDT AG TH9 citations73
US3953570AApr 27, 1976
Process for the treatment of carburizing salt wastes
GOLDSCHMIDT AG TH8 citations73
US4162296AJul 24, 1979
Liquid-liquid extraction of nickel
GOLDSCHMIDT AG TH9 citations70
US4659555AApr 21, 1987
Process for the preparation of basic copper carbonate
GOLDSCHMIDT AG TH12 citations69
US4282190AAug 4, 1981
Process for the manufacture of iron and aluminum-free zinc chloride solutions
GOLDSCHMIDT AG TH6 citations62
US4151257AApr 24, 1979
Processing nonferrous metal hydroxide sludge wastes
GOLDSCHMIDT AG TH6 citations62
US3949052AApr 6, 1976
Process for the treatment of carburizing salt wastes
GOLDSCHMIDT AG TH3 citations62
US3953571AApr 27, 1976
Process for the treatment of carburizing salt wastes
GOLDSCHMIDT AG TH1 citations51
US3950490AApr 13, 1976
Process for the treatment of carburizing salt wastes
GOLDSCHMIDT AG TH1 citations51