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Charles F. Kulpa
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Niles, MI, US
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last 30 patents
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Patent Grant
Method for separating a sulfur compound from carbonaceous materials
Patent number
5,468,626
Issue date
Nov 21, 1995
Energy BioSystems Corporation
Steven W. Johnson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Biometallurgical treatment of precious metal ores having refractory...
Patent number
5,244,493
Issue date
Sep 14, 1993
Newmont Gold Co.
James A. Brierley
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Microbial consortium treatment of refractory precious metal ores
Patent number
5,127,942
Issue date
Jul 7, 1992
Newmont Mining Corporation
James A. Brierley
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...