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Shale conversion process
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Patent number 4,153,533
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Issue date May 8, 1979
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Chalmer G. Kirkbride
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Process for removing sulfur from coal
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Patent number 4,148,614
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Issue date Apr 10, 1979
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Chalmer G. Kirkbride
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Sulfur removal from coal
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Patent number 4,123,230
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Issue date Oct 31, 1978
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Chalmer G. Kirkbride
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...