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Coal liquefaction with Mn nodules
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Patent number 4,610,777
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Issue date Sep 9, 1986
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Mobil Oil Corporation
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Philip Varghese
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Coal liquefaction with preasphaltene recycle
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Patent number 4,609,455
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Issue date Sep 2, 1986
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International Coal Refining Company
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Robert F. Weimer
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Oil recovery
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Patent number 4,521,293
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Issue date Jun 4, 1985
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James Scinta
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Hydrocarbon recovery from diatomite
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Patent number 4,448,669
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Issue date May 15, 1984
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Phillips Petroleum Company
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James Scinta
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Supercritical solvent coal extraction
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Patent number 4,443,321
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Issue date Apr 17, 1984
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The United States of America as represented by the administrator of the Natio...
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Leslie E. Compton
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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