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Calcium sulfide oxidation method
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Patent number 6,245,314
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Issue date Jun 12, 2001
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Mitsubishi Heavy Industries, Ltd.
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Yoshihiko Tsuchiyama
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C01 - INORGANIC CHEMISTRY
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Process for performing reactions
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Patent number 5,618,430
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Issue date Apr 8, 1997
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Linde Aktiengesellschaft
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Uwe Fuchs
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Continuous ore reaction process by fluidizing
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Patent number 5,490,976
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Issue date Feb 13, 1996
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E. I. Du Pont de Nemours and Company
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Foster W. Rennie
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for roasting refractory gold ores
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Patent number 5,425,799
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Issue date Jun 20, 1995
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Metallgesellschaft Aktiengesellschaft
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Walter Koch
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Fluidized bed process
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Patent number 5,320,815
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Issue date Jun 14, 1994
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E. I. Du Pont de Nemours and Company
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Ran Abed
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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