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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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Hydrocarbon conversion process
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Patent number 4,693,809
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Issue date Sep 15, 1987
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Engelard 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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Method for controlling a pretreatment process
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Patent number 4,374,021
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Issue date Feb 15, 1983
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Engelhard Minerals & Chemicals 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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Selective vaporization process
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Patent number 4,328,091
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Issue date May 4, 1982
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Engelhard Minerals & Chemicals 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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Hydrocarbon processing
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Patent number 4,325,809
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Issue date Apr 20, 1982
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Engelhard Minerals & Chemicals 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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Control of emissions in flue gas
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Patent number 4,325,817
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Issue date Apr 20, 1982
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Engelhard Minerals & Chemicals 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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