Inventor · disambiguated record
Edward I. Stiefel
Also filed as: STIEFEL EDWARD I · STIEFEL EDWARD IRA
39 granted patents·1,278 citations·filing 1983–2003
98Inventor score
Files withEXXON RESEARCH ENGINEERING CO29INFINEUM INT LTD3INFINEUM USA LP3EXXONMOBIL RES & ENG CO2EXXON CHEMICAL PATENTS INC1
Top patents by PatentIndex Score
39 records- 0198US4978464AMulti-function additive for lubricating oilsEXXON RESEARCH ENGINEERING CO·Filed 1989·Granted Dec 18, 1990·144 cites·16 claims
- 0295US6232276B1Trinuclear molybdenum multifunctional additive for lubricating oilsINFINEUM USA LP·Filed 1997·Granted May 15, 2001·118 cites·31 claims
- 0395US6010987AEnhancement of frictional retention properties in a lubricating composition containing a molybdenum sulfide additive in low concentrationEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Jan 4, 2000·84 cites·14 claims
- 0495US4995996AMolybdenum sulfur antiwear and antioxidant lube additivesEXXON RESEARCH ENGINEERING CO·Filed 1989·Granted Feb 26, 1991·87 cites·9 claims
- 0595US4966719AMultifunctional molybdenum and sulfur containing lube additivesEXXON RESEARCH ENGINEERING CO·Filed 1990·Granted Oct 30, 1990·65 cites·11 claims
- 0694US5837657AMethod for reducing viscosity increase in sooted diesel oilsFiled 1997·Granted Nov 17, 1998·76 cites·18 claims
- 0793US4547321ACompounds containing the [Co(MoS4)2 ]3- trianion and their preparationEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Oct 15, 1985·42 cites·15 claims
- 0891US5824627AHeterometallic lube oil additivesEXXON RESEARCH ENGINEERING CO·Filed 1996·Granted Oct 20, 1998·57 cites·20 claims
- 0991US4581125AHydrotreating using self-promoted molybdenum and tungsten sulfide catalysts formed from bis(tetrathiometallate) precursorsEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Apr 8, 1986·57 cites·28 claims
- 1090US6569820B2Manufacture of lubricant additivesINFINEUM INT LTD·Filed 2001·Granted May 27, 2003·40 cites·9 claims
- 1188US4510260ASelf-promoted molybdenum and tungsten sulfide hydrotreating catalysts from bis(tetrathiometallate) precursorsEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Apr 9, 1985·42 cites·15 claims
- 1287US5906968AMethod of synthesizing Mo3 Sx containing compoundsEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted May 25, 1999·65 cites·11 claims
- 1387US5888945AMethod for enhancing and restoring reduction friction effectivenessEXXON RESEARCH ENGINEERING CO·Filed 1996·Granted Mar 30, 1999·38 cites·11 claims
- 1484US6110878ALubricant additivesEXXON CHEMICAL PATENTS INC·Filed 1998·Granted Aug 29, 2000·52 cites·8 claims
- 1583US5026473ATransition metal tris-dithiolene and related complexes as precursors to active catalystsEXXON RESEARCH ENGINEERING CO·Filed 1990·Granted Jun 25, 1991·41 cites·5 claims
- 1681US5372798AFullerene compositions and preparationEXXON RESEARCH ENGINEERING CO·Filed 1994·Granted Dec 13, 1994·33 cites·9 claims
- 1781US4960506ADesulfurization of hydrocarbons using molybdenum or tungsten sulfide catalysts promoted with low valent group VIII metalsEXXON RESEARCH ENGINEERING CO·Filed 1989·Granted Oct 2, 1990·30 cites·12 claims
- 1881US4839326APromoted molybdenum and tungsten sulfide catalysts, their preparation and useEXXON RESEARCH ENGINEERING CO·Filed 1985·Granted Jun 13, 1989·30 cites·29 claims
- 1973US6541429B2Lubricant compositionsINFINEUM INT LTD·Filed 2001·Granted Apr 1, 2003·10 cites·13 claims
- 2073US6358894B1Molybdenum-antioxidant lube oil compositionsINFINEUM USA LP·Filed 1997·Granted Mar 19, 2002·30 cites·34 claims
- 2171US5126465AMethod for making Mo4 S4 L6EXXON RESEARCH ENGINEERING CO·Filed 1991·Granted Jun 30, 1992·13 cites·8 claims
- 2270US6730757B2Sulfur-containing and sulfur-nitrogen-containing catalysts for polymerization of olefins and polar monomersEXXONMOBIL RES & ENG CO·Filed 2002·Granted May 4, 2004·9 cites·37 claims
- 2368US6743960B2Method for oligomerizing olefins to form higher olefins using sulfur-containing and sulfur-tolerant catalystsEXXONMOBIL RES & ENG CO·Filed 2001·Granted Jun 1, 2004·4 cites·14 claims
- 2465US4832877ATetranuclear sulfido-bridged complex of Cr(III) having a strongly magnetic ground stateEXXON RESEARCH ENGINEERING CO·Filed 1987·Granted May 23, 1989·10 cites·17 claims
- 2564US6120692AUse of metal dithiolene complexes in selective olefin recovery (law760)EXXON RESEARCH ENGINEERING CO·Filed 1999·Granted Sep 19, 2000·26 cites·11 claims
- 2663US4588829A(Disulfido)tris(N,N-substituted dithiocarbamato)Mo(V) complexesEXXON RESEARCH ENGINEERING CO·Filed 1984·Granted May 13, 1986·13 cites·12 claims
- 2762US6953771B2Lubricant compositionsINFINEUM INT LTD·Filed 2003·Granted Oct 11, 2005·4 cites·18 claims
- 2857US4730064AHeterometallic thiocubanes (C-2044)EXXON RESEARCH ENGINEERING CO·Filed 1986·Granted Mar 8, 1988·16 cites·27 claims
- 2954US6211123B1Lubricating oil compositionsINFINEUM USA LP·Filed 1999·Granted Apr 3, 2001·10 cites·24 claims
- 3041US4681958ADithioacid vanadium sulfide dimer compositionsEXXON RESEARCH ENGINEERING CO·Filed 1985·Granted Jul 21, 1987·6 cites·14 claims
- 3141US4604183ACatalytic process for hydroconversion of solid carbonaceous materialsEXXON RESEARCH ENGINEERING CO·Filed 1985·Granted Aug 5, 1986·8 cites·19 claims
- 3239US4962077ATransition metal tris-dithiolene and related complexes as precursors to active catalystsEXXON RESEARCH ENGINEERING CO·Filed 1989·Granted Oct 9, 1990·4 cites·9 claims
- 3337US5300274AMethod for making molybdenum and sulfur containing compoundsEXXON RESEARCH ENGINEERING CO·Filed 1990·Granted Apr 5, 1994·4 cites·9 claims
- 3436US6296755B1Electrochemical process for olefin recovery using transition metal dithiolene complexesEXXON RESEARCH ENGINEERING CO·Filed 1999·Granted Oct 2, 2001·5 cites·11 claims
- 3535US5099046AMethod for making Mo4 S4 L6 (C-2387)EXXON RESEARCH ENGINEERING CO·Filed 1991·Granted Mar 24, 1992·1 cites·13 claims
- 3634US4954645ADithioacid rhenium sulfide dimer compositionsEXXON RESEARCH ENGINEERING CO·Filed 1989·Granted Sep 4, 1990·0 cites·8 claims
- 3734US4585882ASulfido(disulfido)bis(N,N-substituted dithiocarbamato)W(VI) complexesEXXON RESEARCH ENGINEERING CO·Filed 1984·Granted Apr 29, 1986·2 cites·12 claims
- 3832US5110963AMethod for making Mo4 S4 L6 (C-2386)EXXON RESEARCH ENGINEERING CO·Filed 1991·Granted May 5, 1992·1 cites·11 claims
- 3931US4997962ASynthesis of tetrathioperrhenate saltsEXXON RESEARCH ENGINEERING CO·Filed 1988·Granted Mar 5, 1991·1 cites·10 claims
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