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Lubricating compositions
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Patent number 4,801,390
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Issue date Jan 31, 1989
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Exxon Research and Engineering Co.
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Robert Robson
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Concentrates of lubricant additives
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Patent number 4,502,971
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Issue date Mar 5, 1985
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Exxon Research and Engineering Co.
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Robert Robson
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Metal phenates
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Patent number 4,221,673
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Issue date Sep 9, 1980
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Exxon Research and Engineering Co.
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Robert Robson
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C07 - ORGANIC CHEMISTRY