Inventor · disambiguated record
Liehpao O. Farng
Also filed as: FARNG LIEHPAO O · FARNG LIEHPAO OSCAR
61 granted patents·8 pending applications·669 citations·filing 1987–2018
99Inventor score
Files withMOBIL OIL CORP41EXXONMOBIL RES & ENG CO7DATTA SUDHIN5EXXONMOBIL CHEM PATENTS INC5EXXONMOBIL CHEMICAL PATENTS INC3
Top patents by PatentIndex Score
69 records- 0197US8378048B2Copolymers, compositions thereof, and methods for making themEXXONMOBIL CHEM PATENTS INC·Filed 2011·Granted Feb 19, 2013·24 cites·20 claims
- 0296US9260552B2Process to produce polymers from pyridyldiamido transition metal complexes and use thereofEXXONMOBIL CHEM PATENTS INC·Filed 2014·Granted Feb 16, 2016·14 cites·40 claims
- 0396US8309501B2Ethylene-based copolymers, lubricating oil compositions containing the same, and methods for making themKOLB RAINER·Filed 2010·Granted Nov 13, 2012·20 cites·16 claims
- 0495US6730638B2Low ash, low phosphorus and low sulfur engine oils for internal combustion enginesEXXONMOBIL RES & ENG CO·Filed 2003·Granted May 4, 2004·78 cites·14 claims
- 0593US8227392B2Base stocks and lubricant blends containing poly-alpha olefinsWU MARGARET M·Filed 2008·Granted Jul 24, 2012·25 cites·36 claims
- 0690US9006161B2Polymeric compositions useful as rheology modifiers and methods for making such compositionsEXXONMOBIL CHEM PATENTS INC·Filed 2013·Granted Apr 14, 2015·3 cites·11 claims
- 0790US8389452B2Polymeric compositions useful as rheology modifiers and methods for making such compositionsDATTA SUDHIN·Filed 2010·Granted Mar 5, 2013·5 cites·25 claims
- 0889US9416206B2Lubricating oil compositions and method for making themKOLB RAINER·Filed 2011·Granted Aug 16, 2016·4 cites·25 claims
- 0989US8569216B2Lubricant formulation with high oxidation performanceBLAIN DAVID A·Filed 2011·Granted Oct 29, 2013·12 cites·12 claims
- 1087US8999907B2Ethylene based copolymer compositions as viscosity modifiers and methods for making themDATTA SUDHIN·Filed 2011·Granted Apr 7, 2015·4 cites·21 claims
- 1186US5514189ADithiocarbamate-derived ethers as multifunctional additivesMOBIL CORP·Filed 1994·Granted May 7, 1996·33 cites·12 claims
- 1286US4828733ACopper salts of hindered phenolic carboxylates and lubricants and fuels containing sameMOBIL OIL CORP·Filed 1987·Granted May 9, 1989·41 cites·10 claims
- 1383US4908144ADimercaptothiadiazole-derived, organic esters, amides and amine salts as multifunctional antioxidant/antiwear additivesMOBIL OIL CORP·Filed 1988·Granted Mar 13, 1990·18 cites·36 claims
- 1480US9315761B2Lubricant and fuel dispersants and methods of preparation thereofEXXONMOBIL CHEM PATENTS INC·Filed 2013·Granted Apr 19, 2016·3 cites·19 claims
- 1579US5057235ASulfur-phosphorus adducts of chromium catalyzed polyalphaolefinsMOBIL OIL CORP·Filed 1988·Granted Oct 15, 1991·28 cites·30 claims
- 1677US10876063B2Syndiotactic propylene polymers and lubricating oils comprising the sameEXXONMOBIL CHEMICAL PATENTS INC·Filed 2015·Granted Dec 29, 2020·1 cites·16 claims
- 1772US5407592AMultifunctional additivesMOBIL OIL CORP·Filed 1992·Granted Apr 18, 1995·25 cites·7 claims
- 1872US4834893ASubstituted phosphorodithioates and their metal salts as multifunctional additivesMOBIL OIL CORP·Filed 1987·Granted May 30, 1989·19 cites·30 claims
- 1969US5002674AMultifunctional lubricant additives and compositions thereofMOBIL OIL CORP·Filed 1989·Granted Mar 26, 1991·9 cites·26 claims
- 2069US4966721AN-N'-dihydrocarbyl substituted phenylene diamine-derived condensation products as antioxidants and lubricant compositionsMOBIL OIL CORP·Filed 1989·Granted Oct 30, 1990·19 cites·60 claims
- 2167US5019282AOrganic ester, amide or amine salts of phosphorodithioate substitute carboxylic anhydrides as multifunctional additivesMOBIL OIL CORP·Filed 1989·Granted May 28, 1991·15 cites·15 claims
- 2265US7176168B2Lubricant containing a synergistic combination of rust inhibitors, antiwear agents, and a phenothiazine antioxidantEXXONMOBIL RES & ENG CO·Filed 2004·Granted Feb 13, 2007·8 cites·8 claims
- 2365US5853435APolymeric amine-heterocyclic reaction products as fuel and lubricant antiwear, detergency and cleanliness additivesMOBIL OIL CORP·Filed 1994·Granted Dec 29, 1998·17 cites·6 claims
- 2464US7684933B2Automated intelligent system for lubricant manufacture optimizationEXXONMOBIL RES & ENG CO·Filed 2007·Granted Mar 23, 2010·2 cites·10 claims
- 2562US5370806ABorated dihydrocarbyl dithiocarbamate lubricant additives and composition thereofMOBIL OIL CORP·Filed 1989·Granted Dec 6, 1994·16 cites·20 claims
- 2661US5073279ASulfur coupled hydrocarbyl derived mercaptobenzothiazole adducts as multifunctional antiwear additives and compositions containing sameMOBIL OIL CORP·Filed 1989·Granted Dec 17, 1991·5 cites·44 claims
- 2760US9175240B2Ethylene-based copolymers, lubricating oil compositions containing the same, and methods for making themEXXONMOBIL CHEM PATENTS INC·Filed 2012·Granted Nov 3, 2015·0 cites·10 claims
- 2859US4828740AMixed hydroquinone-hydroxyester borates as antioxidantsMOBIL OIL CORP·Filed 1987·Granted May 9, 1989·13 cites·20 claims
- 2959US2012028866A1Viscosity Modifiers Comprising Blends of Ethylene-Based CopolymersDATTA SUDHIN·Filed 2011·Application pending·0 cites
- 3059US2012028865A1Viscosity Modifiers Comprising Blends of Ethylene-Based CopolymersDATTA SUDHIN·Filed 2011·Application pending·0 cites
- 3158US5538652ADimercaptothiadiazole-mercaptan coupled compounds as multifunctional additives for lubricants and fuelsMOBIL OIL CORP·Filed 1994·Granted Jul 23, 1996·14 cites·18 claims
- 3258US5126063ABorated hydroxyalkyl esters of dithiocarbamic acids as multifunctional additives for lubricant compositionsMOBIL OIL CORP·Filed 1990·Granted Jun 30, 1992·13 cites·26 claims
- 3354US10017708B2Lubricant and fuel dispersants and methods of preparation thereofEXXONMOBIL CHEMICAL PATENTS INC·Filed 2013·Granted Jul 10, 2018·0 cites·17 claims
- 3454US5492544ALubricant compositions comprising tolyltriazole-derived tri/tetra esters as additives for distillate fuelsMOBIL OIL CORP·Filed 1994·Granted Feb 20, 1996·9 cites·12 claims
- 3554US5282988ALubricant additivesMOBIL OIL CORP·Filed 1991·Granted Feb 1, 1994·11 cites·23 claims
- 3653US7598212B2Lubricating composition suitable for diesel enginesEXXONMOBIL RES & ENG CO·Filed 2004·Granted Oct 6, 2009·1 cites·9 claims
- 3753US4784780ALubricant additive comprising mixed hydroxyester or diol/phosphorodithioate-derived boratesMOBIL OIL CORP·Filed 1988·Granted Nov 15, 1988·10 cites·40 claims
- 3852US5578556ATriazole-maleate adducts as metal passivators and antiwear additivesMOBIL OIL CORP·Filed 1995·Granted Nov 26, 1996·12 cites·11 claims
- 3951US5037567APhosphorus-sulfur olefinic derivatives as multifunctional lubricants and multifunctional additives for lubricantsMOBIL OIL CORP·Filed 1988·Granted Aug 6, 1991·10 cites·68 claims
- 4051US2017253701A1Comb-Star Viscosity Modifier and Its CompositionsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2014·Application pending·0 cites
- 4150US5763370AFriction-reducing and antiwear/EP additives for lubricantsMOBIL OIL CORP·Filed 1996·Granted Jun 9, 1998·11 cites·7 claims
- 4250US5006270AMixed resorcinol-hydroxyester borates as antioxidantsMOBIL OIL CORP·Filed 1989·Granted Apr 9, 1991·9 cites·17 claims
- 4349US5516341AFuel composition comprising triazole-derived acid-esters or ester-amide-amine salts as antiwear additivesMOBIL OIL CORP·Filed 1994·Granted May 14, 1996·8 cites·7 claims
- 4449US5169547AAmine-containing hindered phenolic antioxidant lubricant additives and compositions thereofMOBIL OIL CORP·Filed 1988·Granted Dec 8, 1992·6 cites·18 claims
- 4549US2019127526A1Antioxidant Polymeric Diphenylamine CompositionsBASF SE·Filed 2018·Application pending·0 cites
- 4649US2019127656A1Lubricant compositions comprising polymeric diphenylamine antioxidantsEXXONMOBIL RES & ENG CO·Filed 2018·Application pending·0 cites
- 4747US4919830ADithiocarbamate-derived phosphates as antioxidant/antiwear multifunctional additivesMOBIL OIL CORP·Filed 1988·Granted Apr 24, 1990·8 cites·33 claims
- 4846US7419940B2Borated-epoxidized polybutenes as low-ash anti-wear additives for lubricantsEXXONMOBIL RES & ENG CO·Filed 2004·Granted Sep 2, 2008·2 cites·6 claims
- 4946US5328625ALubricant compositions comprising triazole-derived acid-esters or ester-amide-amine salts as antiwear additivesMOBIL OIL CORP·Filed 1992·Granted Jul 12, 1994·7 cites·12 claims
- 5046US5288418AAmine-coupled hindered phenols and phosphites as multifunctional antioxidant/antiwear additivesMOBIL OIL CORP·Filed 1992·Granted Feb 22, 1994·8 cites·12 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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