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Dual solvent refining process
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Patent number 4,325,818
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Issue date Apr 20, 1982
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Texaco, Inc.
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Robert A. Woodle
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Solvent extraction process
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Patent number 4,311,583
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Issue date Jan 19, 1982
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Texaco, Inc.
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Robert A. Woodle
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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