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Oil shale retorting process
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Patent number 4,530,752
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Issue date Jul 23, 1985
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Union Oil Company of California
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Roland F. Deering
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Oil shale retorting
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Patent number 4,043,897
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Issue date Aug 23, 1977
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Union Oil Company of California
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Roland F. Deering
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Shale retorting process
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Patent number 4,025,416
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Issue date May 24, 1977
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Union Oil Company of California
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Roland F. Deering
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Oil shale retorting-gasification process
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Patent number 4,010,092
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Issue date Mar 1, 1977
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Union Oil Company of California
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Roland F. Deering
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...