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Martin C. Vogt
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Monroston, PA, US
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last 30 patents
Information
Patent Grant
Process for recovering tungsten as an ammoniacal tungstate compound...
Patent number
5,417,945
Issue date
May 23, 1995
GTE Products Corporation
Richard G. W. Gingerich
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Removal of carbonate from caustic sulfide solution
Patent number
5,164,171
Issue date
Nov 17, 1992
GTE Products Corporation
Michael J. Miller
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Removal of ammonia from sodium tungstate solutions
Patent number
4,560,539
Issue date
Dec 24, 1985
GTE Products Corporation
Tai K. Kim
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for removing tin from sodium tungstate solution
Patent number
4,552,729
Issue date
Nov 12, 1985
GTE Products Corporation
Michael J. Miller
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for removal of tin from ammonium tungstates
Patent number
4,448,755
Issue date
May 15, 1984
GTE Products Corporation
Richard A. Scheithauer
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for recovering tungsten values from alkali solutions
Patent number
4,379,126
Issue date
Apr 5, 1983
GTE Products Corporation
Tai K. Kim
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Recovery of tungsten values from alkali tungstate solutions by solv...
Patent number
4,374,099
Issue date
Feb 15, 1983
GTE Products Corporation
Tai K. Kim
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Recovery of tungsten values from alkali tungstate solutions by solv...
Patent number
4,369,165
Issue date
Jan 18, 1983
GTE Products Corporation
Tai K. Kim
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Recovery of tungsten values from alkali tungstate solutions by solv...
Patent number
4,360,503
Issue date
Nov 23, 1982
GTE Products Corporation
Carl W. Boyer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Tungsten recovery from tungsten ore concentrates by caustic digestion
Patent number
4,353,881
Issue date
Oct 12, 1982
GTE Products Corporation
Lucretia R. Quatrini
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...