Inventor · disambiguated record
Richard E. Cherpeck
Also filed as: CHERPECK RICHARD E · CHERPECK RICHARD EUGENE
89 granted patents·17 pending applications·1,163 citations·filing 1981–2021
99Inventor score
Files withCHEVRON CHEM CO56CHEVRON ORONITE CO24CHEVRON RES & TECH10NELSON KENNETH D5CHERPECK RICHARD E3
Top patents by PatentIndex Score
106 records- 0199US5300701AProcess for the preparation of polyisobutyl hydroxyaromaticsCHEVRON RES & TECH·Filed 1992·Granted Apr 5, 1994·155 cites·14 claims
- 0297US5393309AFuel additive compositions containing polyisobutenyl succinimidesCHEVRON RES & TECH·Filed 1994·Granted Feb 28, 1995·95 cites·18 claims
- 0396US5620486AFuel compositions containing aryl succinimidesCHEVRON CHEM CO·Filed 1994·Granted Apr 15, 1997·79 cites·27 claims
- 0493US5192335AFuel additive compositions containing poly(oxyalkylene) amines and polyalkyl hydroxyaromaticsCHEVRON RES & TECH·Filed 1992·Granted Mar 9, 1993·68 cites·23 claims
- 0592US9523061B2Lubricating oil compositonsNELSON KENNETH D·Filed 2013·Granted Dec 20, 2016·8 cites·26 claims
- 0689US5669939APolyalkylphenoxyaminoalkanes and fuel compositions containing the sameCHEVRON CHEM CO·Filed 1996·Granted Sep 23, 1997·32 cites·63 claims
- 0787US6384280B1Process for the preparation of polyalkylphenoxyaminoalkanesCHEVRON ORONITE CO·Filed 2001·Granted May 7, 2002·16 cites·23 claims
- 0886US7501386B2Synergistic lubricating oil composition containing a mixture of a benzo[b]perhydroheterocyclic arylamine and a diarylamineCHEVRON ORONITE CO·Filed 2005·Granted Mar 10, 2009·7 cites·27 claims
- 0986US5916825APolyisobutanyl succinimides and fuel compositions containing the sameCHEVRON CHEM CO·Filed 1998·Granted Jun 29, 1999·47 cites·25 claims
- 1085US6033446APolyalkylpyrrolidines and fuel compositions containing the sameCHEVRON CHEM CO·Filed 1999·Granted Mar 7, 2000·45 cites·47 claims
- 1183US6660050B1Method for controlling deposits in the fuel reformer of a fuel cell systemCHEVRON USA INC·Filed 2002·Granted Dec 9, 2003·23 cites·62 claims
- 1282US5993497AEsters of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides and fuel compositions containing the sameCHEVRON CHEM CO·Filed 1998·Granted Nov 30, 1999·26 cites·60 claims
- 1382US5399178AMannich condensation products of polyalkylene hydroxyaromatic esters and fuel compositions containing the sameCHEVRON CHEM CO·Filed 1993·Granted Mar 21, 1995·31 cites·72 claims
- 1481US11142715B2Amino alkanediols and carboxylate salts as additives for improving fuel efficiencyCHEVRON USA INC·Filed 2019·Granted Oct 12, 2021·1 cites·31 claims
- 1580US4417050AFungicidal, herbicidal and plant growth-regulating pyrimidyl-containing ethersCHEVRON RES·Filed 1981·Granted Nov 22, 1983·12 cites·8 claims
- 1678US9193931B2Lubricating oil compositionsNELSON KENNETH D·Filed 2013·Granted Nov 24, 2015·2 cites·18 claims
- 1776US7683017B2Synergistic lubricating oil composition containing a mixture of a nitro-substituted diarylamine and a diarylamineCHEVRON ORONITE CO·Filed 2007·Granted Mar 23, 2010·3 cites·24 claims
- 1875US8710147B2Carbonyl-ene functionalized polyolefinsCHERPECK RICHARD E·Filed 2010·Granted Apr 29, 2014·4 cites·33 claims
- 1975US7744661B2Fuel composition containing an alkylene oxide-adducted hydrocarbyl amide having reduced amine by-productsCHEVRON ORONITE CO·Filed 2005·Granted Jun 29, 2010·5 cites·35 claims
- 2075US4407806AFungicidal, herbicidal and plant growth regulating pyridyl-containing ethersCHEVRON RES·Filed 1981·Granted Oct 4, 1983·9 cites·16 claims
- 2174US5380345APolyalkyl nitro and amino aromatic esters and fuel compositions containing the sameCHEVRON RES & TECH·Filed 1993·Granted Jan 10, 1995·23 cites·49 claims
- 2273US6114542AEthers of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides and fuel compositions containing the sameCHEVRON CHEM CO·Filed 1998·Granted Sep 5, 2000·24 cites·42 claims
- 2373US4584008AAldol adducts containing triazole groupsCHEVRON RES·Filed 1984·Granted Apr 22, 1986·7 cites·21 claims
- 2472US8003583B2Benzo[b]perhydroheterocyclic arylamines and lubricating oil compositionsCHEVRON ORONITE CO·Filed 2005·Granted Aug 23, 2011·1 cites·7 claims
- 2571US9303229B2Lubricating oil compositionCHEVRON ORONITE CO·Filed 2013·Granted Apr 5, 2016·1 cites·24 claims
- 2671US8623798B2Lubricating oil compositions containing a tetraalkyl-napthalene-1,8 diamine antioxidantCHERPECK RICHARD E·Filed 2008·Granted Jan 7, 2014·2 cites·15 claims
- 2771US5409507AFuel compositions containing poly(oxyalkylene) aromatic ethersCHEVRON CHEM CO·Filed 1993·Granted Apr 25, 1995·18 cites·20 claims
- 2870US5954843AAminocarbamates of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides and fuel compositions containing the sameCHEVRON CHEM CO·Filed 1998·Granted Sep 21, 1999·22 cites·48 claims
- 2970US5851242AFuel additive compositions containing polyalkylphenoxy-aminoalkanes and poly (oxyalkylene) aminesCHEVRON CHEM CO·Filed 1997·Granted Dec 22, 1998·24 cites·78 claims
- 3068US11441477B2Method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines with silane-containing lubricantCHEVRON ORONITE CO·Filed 2019·Granted Sep 13, 2022·0 cites·10 claims
- 3168US5755835AFuel additive compositions containing aliphatic amines and polyalkyl hydroxyaromaticsCHEVRON CHEM CO·Filed 1992·Granted May 26, 1998·18 cites·4 claims
- 3267US5749929AFuel additive compositions containing aromatic esters of polyalkylphenoxyalkanols and poly (oxyalkylene) aminesCHEVRON CHEM CO·Filed 1997·Granted May 12, 1998·21 cites·85 claims
- 3367US5405419AFuel additive compositions containing an aliphatic amine, a polyolefin and a poly(oxyalkylene) monoolCHEVRON CHEM CO·Filed 1994·Granted Apr 11, 1995·21 cites·63 claims
- 3466US6352566B1Ethers of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides and fuel compositions containing the sameCHEVRON CHEM CO·Filed 2000·Granted Mar 5, 2002·3 cites·36 claims
- 3565US7790924B2Process for preparing alkylene oxide-adducted hydrocarbyl amidesCHEVRON ORONITE CO·Filed 2004·Granted Sep 7, 2010·3 cites·26 claims
- 3665US5366519AFuel additive compositions containing poly(oxyalkylene) hydroxyaromatic esters and poly(oxyalkylene) aminesCHEVRON RES & TECH·Filed 1992·Granted Nov 22, 1994·17 cites·44 claims
- 3765US5296003APolyesters of poly(oxyalkylene) hydroxyaromatic ethersCHEVRON RES & TECH·Filed 1993·Granted Mar 22, 1994·17 cites·24 claims
- 3864US5427591APoly(oxyalkylene) hydroxyaromatic esters and fuel compositions containing the sameCHEVRON CHEM CO·Filed 1992·Granted Jun 27, 1995·16 cites·18 claims
- 3962US2010152072A1Lubricating oil compositionsCHEVRON ORONITE CO·Filed 2008·Application pending·0 cites
- 4060US5618320AAromatic esters of polyalkylphenoxyalkanols and fuel compositions containing the sameCHEVRON CHEM CO·Filed 1996·Granted Apr 8, 1997·14 cites·54 claims
- 4159US5853436ADiesel fuel composition containing the salt of an alkyl hydroxyaromatic compound and an aliphatic amineCHEVRON CHEM CO·Filed 1997·Granted Dec 29, 1998·15 cites·28 claims
- 4258US5413614AMannich condensation products of poly(oxyalkylene) hydroxyaromatic carbamates and fuel compositions containing the sameCHEVRON CHEM CO·Filed 1994·Granted May 9, 1995·13 cites·38 claims
- 4358US5366517AFuel additive compositions containing poly(oxyalkylene) hydroxyaromatic ethers and poly(oxyalkylene) aminesCHEVRON RES & TECH·Filed 1992·Granted Nov 22, 1994·13 cites·44 claims
- 4457US10844307B2Method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines with manganesemanganese-containing lubricantCHEVRON ORONITE CO·Filed 2019·Granted Nov 24, 2020·0 cites·10 claims
- 4557US8877972B2Alkylene oxide-adducted hydrocarbyl amidesSIMARD FRANCOIS·Filed 2011·Granted Nov 4, 2014·0 cites·25 claims
- 4657US6039773AFuel compositions containing polyamines of polyalkyl aromatic estersCHEVRON CHEM CO·Filed 1997·Granted Mar 21, 2000·13 cites·28 claims
- 4756US5540743APolyalky and poly(oxyalkylene) benzyl amine esters and fuel compositions containing the sameCHEVRON CHEM CO·Filed 1994·Granted Jul 30, 1996·12 cites·66 claims
- 4856US5516342AFuel additive compositions containing poly(oxyalkylene) hydroxyaromatic ethers and aliphatic aminesCHEVRON CHEM CO·Filed 1992·Granted May 14, 1996·12 cites·51 claims
- 4956US2010152073A1Lubricating oil compositionsCHEVRON ORONITE CO·Filed 2008·Application pending·0 cites
- 5056US2010152074A1Lubricating oil compositionsCHEVRON ORONITE CO·Filed 2008·Application pending·0 cites
Showing the top 50 of 106 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →