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Process for upgrading tar and bitumen
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Patent number 4,818,373
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Issue date Apr 4, 1989
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Engelhard Corporation
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David B. Bartholic
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Process for upgrading tar sand bitumen
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Patent number 4,804,459
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Issue date Feb 14, 1989
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Engelhard Corporation
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David B. Bartholic
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Preparation of zeolites
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Patent number 4,112,056
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Issue date Sep 5, 1978
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Mobil Oil Corporation
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Nai Yuen Chen
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C07 - ORGANIC CHEMISTRY
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Hydrocarbon conversion catalyst
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Patent number 4,049,578
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Issue date Sep 20, 1977
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Mobil Oil Corporation
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William J. Reagan
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Hydrocarbon conversion catalyst
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Patent number 3,981,825
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Issue date Sep 21, 1976
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Mobil Oil Corporation
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William J. Reagan
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL