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Refining of heavy slurry oil fractions
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Patent number 5,080,777
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Issue date Jan 14, 1992
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Phillips Petroleum Company
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Paul A. Aegerter
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Catalyst regeneration
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Patent number 4,843,050
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Issue date Jun 27, 1989
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Phillips Petroleum Company
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William C. Rahlwes
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Catalyst regeneration
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Patent number 4,738,830
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Issue date Apr 19, 1988
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Phillips Petroleum Company
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William C. Rahlwes
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL