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Reduced ash content lubricants
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Patent number 5,026,493
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Issue date Jun 25, 1991
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Ethyl Petroleum Additives, Inc.
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William Y. Lam
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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3865810
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Patent number 3,865,810
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Issue date Feb 11, 1975
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C07 - ORGANIC CHEMISTRY
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3826797
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Patent number 3,826,797
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Issue date Jul 30, 1974
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C07 - ORGANIC CHEMISTRY
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3753907
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Patent number 3,753,907
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Issue date Aug 21, 1973
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C07 - ORGANIC CHEMISTRY
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3560384
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Patent number 3,560,384
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Issue date Feb 2, 1971
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C07 - ORGANIC CHEMISTRY
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3365398
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Patent number 3,365,398
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Issue date Jan 23, 1968
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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3364185
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Patent number 3,364,185
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Issue date Jan 16, 1968
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C07 - ORGANIC CHEMISTRY
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3329612
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Patent number 3,329,612
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Issue date Jul 4, 1967
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C07 - ORGANIC CHEMISTRY
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3321400
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Patent number 3,321,400
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Issue date May 23, 1967
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C07 - ORGANIC CHEMISTRY
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3294684
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Patent number 3,294,684
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Issue date Dec 27, 1966
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C07 - ORGANIC CHEMISTRY
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3281359
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Patent number 3,281,359
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Issue date Oct 25, 1966
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C07 - ORGANIC CHEMISTRY
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3255111
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Patent number 3,255,111
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Issue date Jun 7, 1966
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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3193570
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Patent number 3,193,570
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Issue date Jul 6, 1965
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C07 - ORGANIC CHEMISTRY
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3133022
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Patent number 3,133,022
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Issue date May 12, 1964
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C07 - ORGANIC CHEMISTRY
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3131149
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Patent number 3,131,149
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Issue date Apr 28, 1964
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C07 - ORGANIC CHEMISTRY
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3089852
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Patent number 3,089,852
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Issue date May 14, 1963
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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3070581
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Patent number 3,070,581
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Issue date Dec 25, 1962
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C07 - ORGANIC CHEMISTRY
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3033890
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Patent number 3,033,890
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Issue date May 8, 1962
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C07 - ORGANIC CHEMISTRY
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3003959
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Patent number 3,003,959
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Issue date Oct 10, 1961
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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2978412
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Patent number 2,978,412
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Issue date Apr 4, 1961
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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2963435
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Patent number 2,963,435
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Issue date Dec 6, 1960
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2939841
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Patent number 2,939,841
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Issue date Jun 7, 1960
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...