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Mahesh C. Jha
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Arvada, CO, US
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last 30 patents
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Patent Grant
Process for production of value-added coproducts from coal and othe...
Patent number
5,232,679
Issue date
Aug 3, 1993
Mahesh C. Jha
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of activated carbon from coal by mild g...
Patent number
5,187,141
Issue date
Feb 16, 1993
Mahesh C. Jha
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Use of smelter-grade sulfuric acid as true heavy-liquid media in co...
Patent number
4,775,106
Issue date
Oct 4, 1988
Amax, Inc.
Mahesh C. Jha
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Durable zinc ferrite sorbent pellets for hot coal gas desulfurization
Patent number
4,732,888
Issue date
Mar 22, 1988
Amax Inc.
Mahesh C. Jha
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Recovery of precious metals from refractory low-grade ores
Patent number
4,731,114
Issue date
Mar 15, 1988
Amax Inc.
Gopalan Ramadorai
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Mixed lixiviant for separate recovery of zinc and lead from iron-co...
Patent number
4,614,543
Issue date
Sep 30, 1986
Amax Inc.
Willem P. C. Duyvesteyn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Two-stage leaching process for steel plant dusts
Patent number
4,610,721
Issue date
Sep 9, 1986
Amax Inc.
Willem P. C. Duyvesteyn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Zinc recovery from steel plant dusts and other zinciferous materials
Patent number
4,572,771
Issue date
Feb 25, 1986
Amax Inc.
Willem P. C. Duyvesteyn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Production of potassium hexafluotitanates using dilute hydrofluoric...
Patent number
4,497,779
Issue date
Feb 5, 1985
Amax Inc.
Marcy J. Kramer
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Chemical dissolution of scale formed during pressure leaching of ni...
Patent number
4,374,101
Issue date
Feb 15, 1983
Amax Inc.
Guy W. Lussiez
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Selective precipitation of nickel and cobalt sulfides from acidic s...
Patent number
4,110,400
Issue date
Aug 29, 1978
Amax Inc.
Mahesh C. Jha
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Separation of uranium from (Th,U)O.sub.2 solid solutions
Patent number
3,982,928
Issue date
Sep 28, 1976
The United States of America as represented by the United States Energy Resea...
Premo Chiotti
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...