Inventor
WIEWIOROWSKI EDWARD I
9 patents
Patents
9 patentsUS4666685AMay 19, 1987
Selective extraction of molybdenum and vanadium from spent catalysts by oxidative leaching with sodium aluminate and caustic
AMAX INC53 citations91
US4954168ASep 4, 1990
Reclaiming of aluminum-chromium waste materials from etching operations
AMAX INC26 citations89
US4670229AJun 2, 1987
Cyclic process for recovering metal values and alumina from spent catalysts
AMAX INC45 citations89
US4175014ANov 20, 1979
Cathodic dissolution of cobaltic hydroxide
AMAX INC9 citations71
US4149875AApr 17, 1979
Purification of nickel and cobalt metal powders by a caustic wash
AMAX INC7 citations71
US4151258AApr 24, 1979
Dissolution of cobaltic hydroxide with organic reductant
AMAX INC9 citations70
US4544541AOct 1, 1985
Removal of hexavalent selenium from nickel, cobalt or copper sulfate solution
AMAX INC6 citations60
US4497659AFeb 5, 1985
Production of metals with low selenium contents
AMAX INC3 citations60
US4214900AJul 29, 1980
Production of nonferrous metals with low selenium contents
AMAX INC3 citations60