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Total properties:
11
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Patent #:
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Issue Dt:
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06/29/1993
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Application #:
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07868024
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Filing Dt:
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04/13/1992
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Title:
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PLASMA TORCH FURNACE PROCESSING OF SPENT POTLINER FROM ALUMINUM SMELTERS
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Patent #:
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Issue Dt:
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03/03/1998
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Application #:
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08569271
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Filing Dt:
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12/08/1995
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Title:
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METHOD OF TREATING SPENT POTLINER MATERIAL FROM ALUMINUM REDUCTION CELLS
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Patent #:
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Issue Dt:
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09/21/1999
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Application #:
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08977435
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Filing Dt:
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11/24/1997
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Title:
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METHOD OF TREATING SPENT POTLINER MATERIAL FROM ALUMUNUM REDUCTION CELLS
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Patent #:
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Issue Dt:
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05/15/2001
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Application #:
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09201195
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Filing Dt:
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11/30/1998
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Title:
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RECOVERY CHLORIDE AND SULFATE COMPOUNDS FROM SPENT POTLINER
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Patent #:
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Issue Dt:
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04/17/2001
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Application #:
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09201196
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Filing Dt:
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11/30/1998
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Title:
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RECOVERY CARBON, SILICA AND ALUMINA FROM SPENT POTLINER CELLS
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Patent #:
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Issue Dt:
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02/13/2001
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Application #:
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09201197
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Filing Dt:
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11/30/1998
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Title:
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RECOVERY OF AIF3 FROM SPENT POTLINER
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Patent #:
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Issue Dt:
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09/26/2000
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Application #:
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09277804
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Filing Dt:
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03/27/1999
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Title:
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METHOD OF TREATING SPENT POTLINER MATERIAL FROM ALUMINUM REDUCTION CELLS
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Patent #:
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Issue Dt:
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02/27/2001
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Application #:
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09298087
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Filing Dt:
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04/22/1999
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Title:
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METHOD OF RECOVERING FUMED SILICA FROM SPENT POTLINER
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Patent #:
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Issue Dt:
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04/17/2001
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Application #:
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09374546
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Filing Dt:
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08/13/1999
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Title:
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PRODUCTION OF FUMED SILICA
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Patent #:
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Issue Dt:
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06/19/2001
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Application #:
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09497909
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Filing Dt:
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02/04/2000
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Title:
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Process for treating red mud to recover metal values therefrom
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Patent #:
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Issue Dt:
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10/22/2002
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Application #:
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09847205
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Filing Dt:
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05/03/2001
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Publication #:
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Pub Dt:
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12/13/2001
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Title:
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PROCESS FOR TREATING ALUMINA-BEARING ORES TO RECOVER METAL VALUES THEREFROM
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