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Vivian C. Astley
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New Orleans, LA, US
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last 30 patents
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
Method for producing stabilized wet process phosphoric acid with lo...
Patent number
4,710,366
Issue date
Dec 1, 1987
Freeport Minerals Company
Vivian C. Astley
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for seed crystal preparation for phosphoric acid crystalliz...
Patent number
4,657,559
Issue date
Apr 14, 1987
Freeport Research and Engineering Company
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
Wet grinding phosphate rock in an acidic slurry
Patent number
4,577,804
Issue date
Mar 25, 1986
Freeport Minerals Company
Vivian C. Astley
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Stabilization of wet process phosphoric acid
Patent number
4,487,750
Issue date
Dec 11, 1984
Freeport Minerals Company
Vivian C. Astley
C01 - INORGANIC CHEMISTRY