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Naphthenic lube oils
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Patent number 4,515,680
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Issue date May 7, 1985
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Ashland Oil, Inc.
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William P. Hettinger
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Process to make technical white oils
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Patent number 4,072,603
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Issue date Feb 7, 1978
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Suntech, Inc.
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William W. Wentzheimer
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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3492362
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Patent number 3,492,362
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Issue date Jan 27, 1970
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C07 - ORGANIC CHEMISTRY
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3267020
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Patent number 3,267,020
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Issue date Aug 16, 1966
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2967146
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Patent number 2,967,146
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Issue date Jan 3, 1961
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2235124
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Patent number 2,235,124
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Issue date Mar 18, 1941
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...