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Sulfur recovery process
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Patent number 4,722,832
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Issue date Feb 2, 1988
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Freeport-McMoRan Resource Partners
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Charles W. Weston
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C01 - INORGANIC CHEMISTRY
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3922336
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Patent number 3,922,336
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Issue date Nov 25, 1975
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C01 - INORGANIC CHEMISTRY
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3809742
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Patent number 3,809,742
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Issue date May 7, 1974
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C01 - INORGANIC CHEMISTRY
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3804606
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Patent number 3,804,606
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Issue date Apr 16, 1974
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C01 - INORGANIC CHEMISTRY
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3761579
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Patent number 3,761,579
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Issue date Sep 25, 1973
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C07 - ORGANIC CHEMISTRY
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3725303
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Patent number 3,725,303
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Issue date Apr 3, 1973
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C01 - INORGANIC CHEMISTRY
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3709660
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Patent number 3,709,660
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Issue date Jan 9, 1973
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C01 - INORGANIC CHEMISTRY
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3704507
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Patent number 3,704,507
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Issue date Dec 5, 1972
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3701637
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Patent number 3,701,637
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Issue date Oct 31, 1972
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C01 - INORGANIC CHEMISTRY
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3632309
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Patent number 3,632,309
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Issue date Jan 4, 1972
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C01 - INORGANIC CHEMISTRY