Assignee
ETHYL CORP
1,362 granted patents·5 pending applications·26,287 citations·filing 1964–2004
Top patents by PatentIndex Score
1,367 records- 0199US5650381ALubricant containing molybdenum compound and secondary diarylamineETHYL CORP·Filed 1995·Granted Jul 22, 1997·175 cites·21 claims
- 0299US5248801APreparation of methylaluminoxanesETHYL CORP·Filed 1992·Granted Sep 28, 1993·260 cites·10 claims
- 0399US5235081AMethod of removing gel forming materials from methylaluminoxanesETHYL CORP·Filed 1992·Granted Aug 10, 1993·279 cites·21 claims
- 0499US5157137AMethod of making gel free alkylaluminoxane solutionsETHYL CORP·Filed 1991·Granted Oct 20, 1992·242 cites·12 claims
- 0599US4968827AAlkylaluminoxane processETHYL CORP·Filed 1989·Granted Nov 6, 1990·268 cites·18 claims
- 0699US4208190ADiesel fuels having anti-wear propertiesETHYL CORP·Filed 1979·Granted Jun 17, 1980·183 cites·12 claims
- 0798US6599865B1Effective antioxidant combination for oxidation and deposit control in crankcase lubricantsETHYL CORP·Filed 2002·Granted Jul 29, 2003·86 cites·80 claims
- 0898US6548458B2Succinimide-acid compounds and derivatives thereofETHYL CORP·Filed 2001·Granted Apr 15, 2003·103 cites·82 claims
- 0998US6323164B1Dispersant (meth) acrylate copolymers having excellent low temperature propertiesETHYL CORP·Filed 2000·Granted Nov 27, 2001·191 cites·11 claims
- 1098USRE37363ELubricant containing molybdenum compound and secondary diarylamineETHYL CORP·Filed 1999·Granted Sep 11, 2001·130 cites·22 claims
- 1198US6107258AFunctionalized olefin copolymer additivesETHYL CORP·Filed 1997·Granted Aug 22, 2000·230 cites·39 claims
- 1298US6107257AHighly grafted, multi-functional olefin copolymer VI modifiersETHYL CORP·Filed 1997·Granted Aug 22, 2000·338 cites·12 claims
- 1398US5308815AHeterogeneous methylaluminoxane catalyst systemETHYL CORP·Filed 1992·Granted May 3, 1994·208 cites·8 claims
- 1498US5087788APreparation of high purity vinylindene olefinETHYL CORP·Filed 1991·Granted Feb 11, 1992·195 cites·9 claims
- 1598US5068487AOlefin oligomerization with BF3 alcohol alkoxylate co-catalystsETHYL CORP·Filed 1990·Granted Nov 26, 1991·308 cites·21 claims
- 1698US5045244APreparation of metal halide-amine complexesETHYL CORP·Filed 1989·Granted Sep 3, 1991·157 cites·19 claims
- 1798US4748260APreparation of amine alanesETHYL CORP·Filed 1986·Granted May 31, 1988·121 cites·10 claims
- 1898US4218330ALubricantETHYL CORP·Filed 1978·Granted Aug 19, 1980·279 cites·18 claims
- 1997US5697988AFuel compositionsETHYL CORP·Filed 1996·Granted Dec 16, 1997·147 cites·33 claims
- 2097US4973788AVinylidene dimer processETHYL CORP·Filed 1989·Granted Nov 27, 1990·78 cites·16 claims
- 2197US4535020APerforated filmETHYL CORP·Filed 1984·Granted Aug 13, 1985·109 cites·14 claims
- 2297US4235557ADispenserETHYL CORP·Filed 1978·Granted Nov 25, 1980·87 cites·12 claims
- 2397US4204481AAnti-wear additives in diesel fuelsETHYL CORP·Filed 1979·Granted May 27, 1980·80 cites·42 claims
- 2497US4172855ALubricantETHYL CORP·Filed 1978·Granted Oct 30, 1979·176 cites·26 claims
- 2597US4055158AExhaust recirculationETHYL CORP·Filed 1976·Granted Oct 25, 1977·109 cites·7 claims
- 2696US5840672AAntioxidant system for lubrication base oilsETHYL CORP·Filed 1997·Granted Nov 24, 1998·85 cites·24 claims
- 2796US5634951AAdditives for minimizing intake valve deposits, and their useETHYL CORP·Filed 1996·Granted Jun 3, 1997·138 cites·43 claims
- 2896US5075501AMixed tert-amine oxide dihydratesETHYL CORP·Filed 1990·Granted Dec 24, 1991·64 cites·16 claims
- 2996US4924018AAlkylaluminoxane processETHYL CORP·Filed 1989·Granted May 8, 1990·284 cites·18 claims
- 3096US4912155AAntioxidant aromatic fluorophosphitesETHYL CORP·Filed 1987·Granted Mar 27, 1990·73 cites·42 claims
- 3196US4910355AOlefin oligomer functional fluid using internal olefinsETHYL CORP·Filed 1988·Granted Mar 20, 1990·288 cites·12 claims
- 3296US4908463AAluminoxane processETHYL CORP·Filed 1988·Granted Mar 13, 1990·306 cites·19 claims
- 3396US4482357AFuel CompositionsETHYL CORP·Filed 1983·Granted Nov 13, 1984·72 cites·28 claims
- 3496US4476331ATwo stage hydrogenolysis of carbohydrate to glycols using sulfide modified ruthenium catalyst in second stageETHYL CORP·Filed 1983·Granted Oct 9, 1984·99 cites·12 claims
- 3596US4231883ALubricant compositionETHYL CORP·Filed 1979·Granted Nov 4, 1980·66 cites·7 claims
- 3695US6528463B1Oil soluble molybdenum compositionsETHYL CORP·Filed 2000·Granted Mar 4, 2003·54 cites·50 claims
- 3795US6509303B1Oil soluble molybdenum additives from the reaction product of fatty oils and monosubstituted alkylene diaminesETHYL CORP·Filed 2000·Granted Jan 21, 2003·62 cites·34 claims
- 3895US5725612AAdditives for minimizing intake valve deposits, and their useETHYL CORP·Filed 1997·Granted Mar 10, 1998·155 cites·44 claims
- 3995US5358650AGear oil compositionsETHYL CORP·Filed 1993·Granted Oct 25, 1994·63 cites·5 claims
- 4095US4745189AMethod of preparing N-halogenated organic heterocyclic compoundsETHYL CORP·Filed 1986·Granted May 17, 1988·63 cites·19 claims
- 4195US4554141AGas stream purificationETHYL CORP·Filed 1984·Granted Nov 19, 1985·72 cites·19 claims
- 4295US4456570ATreatment of perforated filmETHYL CORP·Filed 1982·Granted Jun 26, 1984·94 cites·17 claims
- 4395US4398921AGasohol compositionsETHYL CORP·Filed 1981·Granted Aug 16, 1983·95 cites·6 claims
- 4495US4397986AThermoplastic polyester blendsETHYL CORP·Filed 1982·Granted Aug 9, 1983·73 cites·18 claims
- 4595US4116996ACatalyst for methane productionETHYL CORP·Filed 1977·Granted Sep 26, 1978·41 cites·10 claims
- 4695US3958979AMetallurgical process for purifying aluminum-silicon alloyETHYL CORP·Filed 1975·Granted May 25, 1976·112 cites·2 claims
- 4794US6117825APolyisobutylene succinimide and ethylene-propylene succinimide synergistic additives for lubricating oils compositionsETHYL CORP·Filed 1992·Granted Sep 12, 2000·218 cites·23 claims
- 4894US6048373AFuels compositions containing polybutenes of narrow molecular weight distributionETHYL CORP·Filed 1998·Granted Apr 11, 2000·88 cites·22 claims
- 4994US5955405A(Meth) acrylate copolymers having excellent low temperature propertiesETHYL CORP·Filed 1998·Granted Sep 21, 1999·107 cites·25 claims
- 5094US5752989ADiesel fuel and dispersant compositions and methods for making and using sameETHYL CORP·Filed 1996·Granted May 19, 1998·106 cites·42 claims
Showing the top 50 of 1,367 patent records by PatentIndex Score.
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