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Process for producing high-purity tin
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Patent number 9,340,850
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Issue date May 17, 2016
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JX Nippon Mining & Metals Corporation
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Yuichiro Shindo
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for refining molten metal
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Patent number 4,047,938
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Issue date Sep 13, 1977
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Union Carbide Corporation
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Andrew Geza Szekely
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3900310
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Patent number 3,900,310
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Issue date Aug 19, 1975
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3293026
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Patent number 3,293,026
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Issue date Dec 20, 1966
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2441768
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Patent number 2,441,768
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Issue date May 18, 1948
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2363127
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Patent number 2,363,127
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Issue date Nov 21, 1944
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2280706
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Patent number 2,280,706
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Issue date Apr 21, 1942
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2196050
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Patent number 2,196,050
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Issue date Apr 2, 1940
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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1976225
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Patent number 1,976,225
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Issue date Oct 9, 1934
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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1957819
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Patent number 1,957,819
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Issue date May 8, 1934
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...