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Tadeusz K. Wiewiorowski
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New Orleans, LA, US
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last 30 patents
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Patent Grant
Process for recovery of gold from refractory gold ores using sulfur...
Patent number
5,147,618
Issue date
Sep 15, 1992
Freeport McMoRan Inc.
Freddie J. Touro
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovery of gold from gold ores using a complexing pret...
Patent number
5,147,617
Issue date
Sep 15, 1992
Freeport McMoRan Inc.
Freddie J. Touro
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Spent alkylation acid treatment process
Patent number
5,114,699
Issue date
May 19, 1992
Freeport-McMoRan Resource Partners
Tadeusz K. Wiewiorowski
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Recovery of sulfur from native ores
Patent number
5,096,571
Issue date
Mar 17, 1992
Freeport McMoRan Resource Partners, Ltd. Partnership
James T. Womack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production of silica and fluorine-containing coproducts from fluosi...
Patent number
4,915,705
Issue date
Apr 10, 1990
Freeport Research and Engineering Co.
Phillip D. Mollere
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Phosphoric acid crystallization process
Patent number
4,655,789
Issue date
Apr 7, 1987
Freeport Research and Engineering Company
Tadeusz K. Wiewiorowski
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Phosphoric acid crystallization process
Patent number
4,655,790
Issue date
Apr 7, 1987
Freeport Research & Development Company
Tadeusz K. Wiewiorowski
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Simultaneous leaching and electrodeposition of precious metals
Patent number
4,510,027
Issue date
Apr 9, 1985
Freeport Minerals Company
Tadeusz Wiewiorowski
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Simultaneous leaching and cementation of precious metals
Patent number
4,384,889
Issue date
May 24, 1983
Freeport Research & Development Company
Tadeusz K. Wiewiorowski
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Ferric iron removal from aluminum fluoride solutions
Patent number
4,172,879
Issue date
Oct 30, 1979
Freeport Minerals Company
David J. Miller
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovery of uranium from wet process phosphoric acid
Patent number
4,105,741
Issue date
Aug 8, 1978
Freeport Minerals Company
Tadeusz K. Wiewiorowski
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Solvent extraction of nickel from ammoniacal solutions
Patent number
3,981,968
Issue date
Sep 21, 1976
Freeport Minerals Company
David J. Miller
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Enhanced selectivity in the separation of nickel and cobalt from am...
Patent number
3,975,497
Issue date
Aug 17, 1976
Freeport Minerals Company
Tadeusz K. Wiewiorowski
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Removal of P.sub.2 O.sub.5 from aluminum fluoride enriched crystall...
Patent number
3,965,248
Issue date
Jun 22, 1976
Freeport Minerals Company
Tadeusz K. Wiewiorowski
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production of alumina from ores
Patent number
3,961,030
Issue date
Jun 1, 1976
Freeport Minerals Company
Tadeusz K. Wiewiorowski
C01 - INORGANIC CHEMISTRY