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Antimony separation process
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Patent number 5,290,338
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Issue date Mar 1, 1994
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Sunshine Mining Company
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Corby G. Anderson
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Sodium sulfide leach process
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Patent number 4,051,220
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Issue date Sep 27, 1977
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Equity Mining Corporation
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Enzo L. Coltrinari
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Recovery of antimony sulfides
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Patent number 4,029,741
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Issue date Jun 14, 1977
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Tajima Roofing Co., Ltd.
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Enzo L. Coltrinari
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3872210
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Patent number 3,872,210
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Issue date Mar 18, 1975
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C01 - INORGANIC CHEMISTRY
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3840652
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Patent number 3,840,652
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Issue date Oct 8, 1974
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C30 - CRYSTAL GROWTH
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3489788
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Patent number 3,489,788
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Issue date Jan 13, 1970
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3434827
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Patent number 3,434,827
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Issue date Mar 25, 1969
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C30 - CRYSTAL GROWTH
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3342551
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Patent number 3,342,551
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Issue date Sep 19, 1967
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C30 - CRYSTAL GROWTH
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3125520
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Patent number 3,125,520
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Issue date Mar 17, 1964
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C01 - INORGANIC CHEMISTRY
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3042501
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Patent number 3,042,501
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Issue date Jul 3, 1962
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C01 - INORGANIC CHEMISTRY
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2968014
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Patent number 2,968,014
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Issue date Jan 10, 1961
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C30 - CRYSTAL GROWTH
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2890102
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Patent number 2,890,102
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Issue date Jun 9, 1959
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C01 - INORGANIC CHEMISTRY
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2854314
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Patent number 2,854,314
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Issue date Sep 30, 1958
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C01 - INORGANIC CHEMISTRY
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1887920
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Patent number 1,887,920
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Issue date Nov 15, 1932
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C01 - INORGANIC CHEMISTRY
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1671203
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Patent number 1,671,203
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Issue date May 29, 1928
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C01 - INORGANIC CHEMISTRY
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1633754
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Patent number 1,633,754
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Issue date Jun 28, 1927
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C01 - INORGANIC CHEMISTRY
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1528395
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Patent number 1,528,395
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Issue date Mar 3, 1925
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C01 - INORGANIC CHEMISTRY
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1502285
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Patent number 1,502,285
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Issue date Jul 22, 1924
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C01 - INORGANIC CHEMISTRY