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Process for the recovery of metals
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Patent number 5,478,539
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Issue date Dec 26, 1995
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Zeneca Limited
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Raymond F. Dalton
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for the recovery of metals
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Patent number 5,213,777
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Issue date May 25, 1993
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Imperial Chemical Industries PLC
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Raymond F. Dalton
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for treatment of flyash
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Patent number 4,966,761
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Issue date Oct 30, 1990
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Carbovan Inc.
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Vaikuntam I. Lakshmanan
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for producing uranium oxides
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Patent number 4,832,924
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Issue date May 23, 1989
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Doryokuro Kakunenryo Kaihatsu Jigyodan
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Shozo Tomoshige
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for treatment of flyash
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Patent number 4,798,709
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Issue date Jan 17, 1989
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Carbovan Inc.
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Vaikuntam I. Lakshmanan
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Removal of heavy metals from waste water
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Patent number 4,731,187
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Issue date Mar 15, 1988
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Miyoshi Yushi Kabushiki Kaisha
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Masafumi Moriya
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Stripping metals from spent catalysts
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Patent number 4,585,628
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Issue date Apr 29, 1986
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American Cyanamid Company
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Robert G. Fischer
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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