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Robert C. Ziegler
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Lakewood, CO, US
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last 30 patents
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Patent Grant
Separation of trace molybdenum from tungstate solutions
Patent number
4,303,623
Issue date
Dec 1, 1981
Amax Inc.
Dale K. Huggins
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for producing ammonium heptamolybdate and/or ammonium dimol...
Patent number
4,079,116
Issue date
Mar 14, 1978
Amax Inc.
Richard A. Ronzio
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for treating molybdenite concentrates to produce a lubrican...
Patent number
3,991,156
Issue date
Nov 9, 1976
Amax Inc.
Richard A. Ronzio
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Molybdenum oxide purification process
Patent number
3,957,946
Issue date
May 18, 1976
Amax Inc.
Richard A. Ronzio
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...