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Method for DMTDA production
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Patent number 5,302,755
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Issue date Apr 12, 1994
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Ethyl Corporation
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Robert A. Schaerfl
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C07 - ORGANIC CHEMISTRY
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Secondary diamines
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Patent number 5,041,668
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Issue date Aug 20, 1991
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Ethyl Corporation
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Christopher J. Nalepa
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C07 - ORGANIC CHEMISTRY
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Aromatic diimines
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Patent number 5,008,453
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Issue date Apr 16, 1991
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Ethyl Corporation
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Christopher J. Nalepa
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C07 - ORGANIC CHEMISTRY
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Haze-free boronated antioxidant
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Patent number 4,927,553
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Issue date May 22, 1990
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Ethyl Corporation
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William E. Wright
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Fuel compositions
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Patent number 4,549,885
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Issue date Oct 29, 1985
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Ethyl Corporation
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Gordon G. Knapp
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Nitration process
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Patent number 4,479,905
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Issue date Oct 30, 1984
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Ethyl Corporation
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Gordon G. Knapp
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C07 - ORGANIC CHEMISTRY
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Metal extraction from sea nodules
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Patent number 4,066,733
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Issue date Jan 3, 1978
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Ethyl Corporation
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Michael Dubeck
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Conversion of acetals
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Patent number 4,062,898
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Issue date Dec 13, 1977
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Ethyl Corporation
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Michael Dubeck
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C07 - ORGANIC CHEMISTRY