Assignee
ETHYL PETROLEUM ADDITIVES INC
US·69 granted patents·3 pending applications·2,764 citations·filing 1983–2007
Top patents by PatentIndex Score
72 records- 0199US4857214AOil-soluble phosphorus antiwear additives for lubricantsETHYL PETROLEUM ADDITIVES INC·Filed 1988·Granted Aug 15, 1989·268 cites·35 claims
- 0298US5652201ALubricating oil compositions and concentrates and the use thereofETHYL PETROLEUM ADDITIVES INC·Filed 1995·Granted Jul 29, 1997·239 cites·22 claims
- 0398US5241003AAshless dispersants formed from substituted acylating agents and their production and useETHYL PETROLEUM ADDITIVES INC·Filed 1992·Granted Aug 31, 1993·259 cites·19 claims
- 0498US5137980AAshless dispersants formed from substituted acylating agents and their production and useETHYL PETROLEUM ADDITIVES INC·Filed 1991·Granted Aug 11, 1992·233 cites·34 claims
- 0596US5137978ASubstituted acylating agents and their productionETHYL PETROLEUM ADDITIVES INC·Filed 1991·Granted Aug 11, 1992·94 cites·13 claims
- 0696US5071919ASubstituted acylating agents and their productionETHYL PETROLEUM ADDITIVES INC·Filed 1990·Granted Dec 10, 1991·104 cites·50 claims
- 0793US5344579AFriction modifier compositions and their useETHYL PETROLEUM ADDITIVES INC·Filed 1993·Granted Sep 6, 1994·65 cites·27 claims
- 0893US5198133AModified succinimide or sucinamide dispersants and their productionETHYL PETROLEUM ADDITIVES INC·Filed 1992·Granted Mar 30, 1993·53 cites·21 claims
- 0993US5089156AAshless or low-ash synthetic base compositions and additives thereforETHYL PETROLEUM ADDITIVES INC·Filed 1990·Granted Feb 18, 1992·73 cites·20 claims
- 1092US5817605AAutomatic transmission and wet brake fluids and additive package thereforETHYL PETROLEUM ADDITIVES INC·Filed 1991·Granted Oct 6, 1998·51 cites·41 claims
- 1191US5942470ALubricant compositionsETHYL PETROLEUM ADDITIVES INC·Filed 1998·Granted Aug 24, 1999·72 cites·10 claims
- 1291US5372735AAutomatic transmission fluids and additives thereforETHYL PETROLEUM ADDITIVES INC·Filed 1994·Granted Dec 13, 1994·52 cites·20 claims
- 1391US4957643ALubricant compositionsETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted Sep 18, 1990·52 cites·7 claims
- 1491US4885365ADithiocarbanate lubricant compositionsETHYL PETROLEUM ADDITIVES INC·Filed 1988·Granted Dec 5, 1989·53 cites·3 claims
- 1590US5441656AAutomatic transmission fluids and additives thereforETHYL PETROLEUM ADDITIVES INC·Filed 1994·Granted Aug 15, 1995·49 cites·27 claims
- 1690US4946610ASulfur-bridged phenolic antioxidantsETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted Aug 7, 1990·48 cites·21 claims
- 1789US4876375ANorbornyl dithiocarbamatesETHYL PETROLEUM ADDITIVES INC·Filed 1988·Granted Oct 24, 1989·52 cites·4 claims
- 1888US4927552ALubricating oil compositionETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted May 22, 1990·51 cites·9 claims
- 1987US5279626AEnhanced fuel additive concentrateETHYL PETROLEUM ADDITIVES INC·Filed 1992·Granted Jan 18, 1994·59 cites·18 claims
- 2087US4966720AOil soluble sulfurized olefins and two temperature zone process for their preparationETHYL PETROLEUM ADDITIVES INC·Filed 1990·Granted Oct 30, 1990·42 cites·11 claims
- 2186US5225093AGear oil additive compositions and gear oils containing the sameETHYL PETROLEUM ADDITIVES INC·Filed 1992·Granted Jul 6, 1993·44 cites·33 claims
- 2285US5328619AOil additive concentrates and lubricants of enhanced performance capabilitiesETHYL PETROLEUM ADDITIVES INC·Filed 1991·Granted Jul 12, 1994·43 cites·48 claims
- 2385US4795583AShift-feel durability enhancementETHYL PETROLEUM ADDITIVES INC·Filed 1987·Granted Jan 3, 1989·34 cites·40 claims
- 2482US5122616ASuccinimidesETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted Jun 16, 1992·16 cites·35 claims
- 2582US5113803AReduction of Nox emissions from gasoline enginesETHYL PETROLEUM ADDITIVES INC·Filed 1991·Granted May 19, 1992·50 cites·26 claims
- 2681US5385588AEnhanced hydrocarbonaceous additive concentrateETHYL PETROLEUM ADDITIVES INC·Filed 1993·Granted Jan 31, 1995·31 cites·26 claims
- 2781US5174922AReducing copper corrosiveness of organic polysulfidesETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted Dec 29, 1992·14 cites·33 claims
- 2880US6238446B1Unleaded aviation gasolineETHYL PETROLEUM ADDITIVES INC·Filed 1993·Granted May 29, 2001·43 cites·19 claims
- 2980US5360562AAshless or low-ash synthetic base compositions and additives thereforETHYL PETROLEUM ADDITIVES INC·Filed 1993·Granted Nov 1, 1994·29 cites·16 claims
- 3080US4855074AHomogeneous additive concentrates and their formationETHYL PETROLEUM ADDITIVES INC·Filed 1988·Granted Aug 8, 1989·31 cites·39 claims
- 3177US6187064B1Unleaded aviation gasolineETHYL PETROLEUM ADDITIVES INC·Filed 1994·Granted Feb 13, 2001·38 cites·11 claims
- 3277US5176840AGear oil additive composition and gear oil containing the sameETHYL PETROLEUM ADDITIVES INC·Filed 1990·Granted Jan 5, 1993·28 cites·45 claims
- 3376US5344468AOrganic phosphates and their use as wear inhibitorsETHYL PETROLEUM ADDITIVES INC·Filed 1992·Granted Sep 6, 1994·22 cites·24 claims
- 3476US5174915AMedium speed diesel engine lubricating oilsETHYL PETROLEUM ADDITIVES INC·Filed 1991·Granted Dec 29, 1992·29 cites·1 claims
- 3576US5164103APreconditioned atf fluids and their preparationETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted Nov 17, 1992·25 cites·13 claims
- 3675US4997456AFuel compositionsETHYL PETROLEUM ADDITIVES INC·Filed 1989·Granted Mar 5, 1991·11 cites·38 claims
- 3775US4582939AMercaptan productionETHYL PETROLEUM ADDITIVES INC·Filed 1984·Granted Apr 15, 1986·11 cites·7 claims
- 3874US4511366ALiquid fuels and concentrates containing corrosion inhibitorsETHYL PETROLEUM ADDITIVES INC·Filed 1983·Granted Apr 16, 1985·27 cites·18 claims
- 3973US7862628B2Mixed metal catalyst additive and method for use in hydrocarbonaceous fuel combustion systemETHYL PETROLEUM ADDITIVES INC·Filed 2007·Granted Jan 4, 2011·1 cites·15 claims
- 4072US5326485ALow ash lubricating oil compositionsETHYL PETROLEUM ADDITIVES INC·Filed 1993·Granted Jul 5, 1994·30 cites·25 claims
- 4172US5091112AReducing copper corrosiveness of organic sulfidesETHYL PETROLEUM ADDITIVES INC·Filed 1990·Granted Feb 25, 1992·12 cites·22 claims
- 4267US5387346AAutomatic transmission fluids and additives thereforETHYL PETROLEUM ADDITIVES INC·Filed 1993·Granted Feb 7, 1995·20 cites·20 claims
- 4367US5164102ALubricating oil compositionETHYL PETROLEUM ADDITIVES INC·Filed 1990·Granted Nov 17, 1992·14 cites·38 claims
- 4465US5454962AFluoroelastomer-friendly crankcase and drivetrain lubricants and their useETHYL PETROLEUM ADDITIVES INC·Filed 1993·Granted Oct 3, 1995·16 cites·17 claims
- 4560US5256324AModified succinimide or succinamide dispersants and their productionETHYL PETROLEUM ADDITIVES INC·Filed 1991·Granted Oct 26, 1993·12 cites·44 claims
- 4658US5344951AProduction of alkyl phosphitesETHYL PETROLEUM ADDITIVES INC·Filed 1993·Granted Sep 6, 1994·7 cites·20 claims
- 4757US2005139804A1Method and composition for suppressing coal dustETHYL PETROLEUM ADDITIVES INC·Filed 2005·Application pending·0 cites
- 4856US5208382AReducing copper corrosiveness of organic sulfidesETHYL PETROLEUM ADDITIVES INC·Filed 1992·Granted May 4, 1993·6 cites·24 claims
- 4955US5389273AModified succinimide or succinamide dispersants and their productionETHYL PETROLEUM ADDITIVES INC·Filed 1993·Granted Feb 14, 1995·9 cites·11 claims
- 5055US5312555ASuccinimidesETHYL PETROLEUM ADDITIVES INC·Filed 1990·Granted May 17, 1994·10 cites·6 claims
Showing the top 50 of 72 patent records by PatentIndex Score.
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