Assignee
ETHYL PETROLEUM ADDITIVES LTD
GB·26 granted patents·786 citations·filing 1990–2000
Top patents by PatentIndex Score
26 records- 0193US5342531APolyalkylene glycol lubricant compositionsETHYL PETROLEUM ADDITIVES LTD·Filed 1993·Granted Aug 30, 1994·70 cites·21 claims
- 0291US5358652AInhibiting hydrolytic degradation of hydrolyzable oleaginous fluidsETHYL PETROLEUM ADDITIVES LTD·Filed 1992·Granted Oct 25, 1994·53 cites·17 claims
- 0390US5944858AHydrocarbonaceous fuel compositions and additives thereforETHYL PETROLEUM ADDITIVES LTD·Filed 1998·Granted Aug 31, 1999·89 cites·29 claims
- 0489US6255263B1Lubricant compositions exhibiting improved demulse performanceETHYL PETROLEUM ADDITIVES LTD·Filed 2000·Granted Jul 3, 2001·34 cites·15 claims
- 0589US5575823ADiesel fuel compositionsETHYL PETROLEUM ADDITIVES LTD·Filed 1990·Granted Nov 19, 1996·85 cites·24 claims
- 0681US6086645AFuel additives and compositionsETHYL PETROLEUM ADDITIVES LTD·Filed 1997·Granted Jul 11, 2000·50 cites·8 claims
- 0780US6184186B1Lubricating compositionsETHYL PETROLEUM ADDITIVES LTD·Filed 1999·Granted Feb 6, 2001·38 cites·1 claims
- 0879US5767045AHydraulic fluidsETHYL PETROLEUM ADDITIVES LTD·Filed 1996·Granted Jun 16, 1998·34 cites·10 claims
- 0978US5595966ABiodegradable lubricants and functional fluidsETHYL PETROLEUM ADDITIVES LTD·Filed 1991·Granted Jan 21, 1997·29 cites·26 claims
- 1076US5691283AUse of transmission and gear oil lubricants having enhanced friction propertiesETHYL PETROLEUM ADDITIVES LTD·Filed 1995·Granted Nov 25, 1997·34 cites·38 claims
- 1175US5171466ASuccinimide compositionsETHYL PETROLEUM ADDITIVES LTD·Filed 1991·Granted Dec 15, 1992·23 cites·22 claims
- 1274US5505868AModified dispersant compositionsETHYL PETROLEUM ADDITIVES LTD·Filed 1992·Granted Apr 9, 1996·25 cites·20 claims
- 1371US5254272ALubricant compositions with metal-free antiwear or load-carrying additives and amino succinate estersETHYL PETROLEUM ADDITIVES LTD·Filed 1992·Granted Oct 19, 1993·27 cites·40 claims
- 1468US5789353ADispersantsETHYL PETROLEUM ADDITIVES LTD·Filed 1997·Granted Aug 4, 1998·24 cites·11 claims
- 1568US5492638AGear oil lubricants of enhanced friction propertiesETHYL PETROLEUM ADDITIVES LTD·Filed 1994·Granted Feb 20, 1996·23 cites·8 claims
- 1667US5126064ALubricant compositionsETHYL PETROLEUM ADDITIVES LTD·Filed 1990·Granted Jun 30, 1992·23 cites·18 claims
- 1766US5919276AUse of mixed alkaline earth-alkali metal systems as emissions reducing agents in compression ignition enginesETHYL PETROLEUM ADDITIVES LTD·Filed 1998·Granted Jul 6, 1999·26 cites·13 claims
- 1858US6001141AFuel additiveETHYL PETROLEUM ADDITIVES LTD·Filed 1996·Granted Dec 14, 1999·22 cites·19 claims
- 1956US5700764ALubricant compositionsETHYL PETROLEUM ADDITIVES LTD·Filed 1996·Granted Dec 23, 1997·16 cites·2 claims
- 2056US5604188AZinc additives of enhanced performance capabilitiesETHYL PETROLEUM ADDITIVES LTD·Filed 1995·Granted Feb 18, 1997·15 cites·19 claims
- 2155US5021176AFriction modifierETHYL PETROLEUM ADDITIVES LTD·Filed 1990·Granted Jun 4, 1991·13 cites·9 claims
- 2251US5190680AFriction modifier comprising a long chain succinimide derivative and long chain acid amideETHYL PETROLEUM ADDITIVES LTD·Filed 1991·Granted Mar 2, 1993·9 cites·13 claims
- 2350US5525127AEvaporative burner fuels and additives thereforETHYL PETROLEUM ADDITIVES LTD·Filed 1994·Granted Jun 11, 1996·11 cites·35 claims
- 2440USRE34459EFriction modifierETHYL PETROLEUM ADDITIVES LTD·Filed 1992·Granted Nov 30, 1993·6 cites·9 claims
- 2536US5587432ADispersants for lubricating oilETHYL PETROLEUM ADDITIVES LTD·Filed 1994·Granted Dec 24, 1996·5 cites·21 claims
- 2629US5210261AProduction of phosphorothioate saltsETHYL PETROLEUM ADDITIVES LTD·Filed 1992·Granted May 11, 1993·2 cites·19 claims
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