Inventor · disambiguated record
Ramesh Varadaraj
Also filed as: VARADARAJ RAMESH
97 granted patents·31 pending applications·1,195 citations·filing 1993–2021
99Inventor score
Files withEXXONMOBIL RES & ENG CO44EXXON RESEARCH ENGINEERING CO32VARADARAJ RAMESH24EXXONMOBIL UPSTREAM RES CO9HABEEB JACOB J2
Top patents by PatentIndex Score
128 records- 0197US6544411B2Viscosity reduction of oils by sonic treatmentEXXONMOBIL RES & ENG CO·Filed 2001·Granted Apr 8, 2003·79 cites·10 claims
- 0295US7338924B2Oil-in-water-in-oil emulsionEXXONMOBIL UPSTREAM RES CO·Filed 2003·Granted Mar 4, 2008·37 cites·5 claims
- 0392US7186673B2Stability enhanced water-in-oil emulsion and method for using sameEXXONMOBIL UPSTREAM RES CO·Filed 2001·Granted Mar 6, 2007·70 cites·42 claims
- 0492US7150785B2High performance asphalt using alkyl aromatic sulfonic acid asphaltene dispersantsEXXONMOBIL RES & ENG CO·Filed 2005·Granted Dec 19, 2006·18 cites·16 claims
- 0592US6555009B2Demulsification of water-in-oil emulsionsEXXONMOBIL RES & ENG CO·Filed 2001·Granted Apr 29, 2003·49 cites·17 claims
- 0691US6048904ABranched alkyl-aromatic sulfonic acid dispersants for solublizing asphaltenes in petroleum oilsEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted Apr 11, 2000·73 cites·7 claims
- 0789US8680029B2Lubricating oil compositions for biodiesel fueled enginesHABEEB JACOB J·Filed 2010·Granted Mar 25, 2014·6 cites·11 claims
- 0889US5514588ASurfactant-nutrients for bioremediation of hydrocarbon contaminated soils and waterEXXON RESEARCH ENGINEERING CO·Filed 1994·Granted May 7, 1996·125 cites·9 claims
- 0987US7658838B2Delayed coking process for producing free-flowing coke using polymeric additivesEXXONMOBIL RES & ENG CO·Filed 2005·Granted Feb 9, 2010·8 cites·9 claims
- 1087US6800193B2Mineral acid enhanced thermal treatment for viscosity reduction of oils (ECB-0002)EXXONMOBIL UPSTREAM RES CO·Filed 2001·Granted Oct 5, 2004·31 cites·12 claims
- 1184US7652074B2Oil-in-water-in-oil emulsionEXXONMOBIL UPSTREAM RES CO·Filed 2007·Granted Jan 26, 2010·3 cites·21 claims
- 1283US7645375B2Delayed coking process for producing free-flowing coke using low molecular weight aromatic additivesEXXONMOBIL RES & ENG CO·Filed 2005·Granted Jan 12, 2010·5 cites·18 claims
- 1383US6716358B2Demulsification of water-in-oil emulsionsEXXONMOBIL RES & ENG CO·Filed 2003·Granted Apr 6, 2004·25 cites·19 claims
- 1483US5961821ARemoval of naphthenic acids in crude oils and distillatesEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted Oct 5, 1999·57 cites·21 claims
- 1582US6454936B1Removal of acids from oilsEXXONMOBIL RES & ENG CO·Filed 2001·Granted Sep 24, 2002·28 cites·21 claims
- 1680US9115851B2Core annular flow of crude oilsVARADARAJ RAMESH·Filed 2012·Granted Aug 25, 2015·2 cites·20 claims
- 1780US6096196ARemoval of naphthenic acids in crude oils and distillatesEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted Aug 1, 2000·53 cites·35 claims
- 1879US7121339B2Solids-stabilized oil-in-water emulsion and a method for preparing sameEXXONMOBIL UPSTREAM RES CO·Filed 2005·Granted Oct 17, 2006·8 cites·10 claims
- 1979US6734144B2Solids-stabilized water-in-oil emulsion and method for using sameEXXONMOBIL UPSTREAM RES CO·Filed 2001·Granted May 11, 2004·45 cites·80 claims
- 2079US6590000B2Defoaming of foams utilizing sonicationEXXONMOBIL RES & ENG CO·Filed 2001·Granted Jul 8, 2003·25 cites·12 claims
- 2178US5672739AClass of three tail surfactants law388EXXON RESEARCH ENGINEERING CO·Filed 1996·Granted Sep 30, 1997·35 cites·4 claims
- 2278US5503774AClass of bifunctional additives for bioremediation of hydrocarbon contaminated soils and waterEXXON RESEARCH ENGINEERING CO·Filed 1994·Granted Apr 2, 1996·28 cites·5 claims
- 2376US8343315B2Integrated solar thermal and nuclear enabled water purification and hydrocarbon refining processesEXXONMOBIL RES & ENG CO·Filed 2010·Granted Jan 1, 2013·3 cites·6 claims
- 2475US7652073B2Oil-in-water-in-oil emulsionEXXONMOBIL UPSTREAM RES CO·Filed 2007·Granted Jan 26, 2010·2 cites·5 claims
- 2575US6489368B2Aromatic sulfonic acid demulsifier for crude oilsEXXONMOBIL RES & ENG CO·Filed 2001·Granted Dec 3, 2002·15 cites·8 claims
- 2674US8101086B2Oil/water separation of full well stream by flocculation-demulsification processVARADARAJ RAMESH·Filed 2007·Granted Jan 24, 2012·7 cites·64 claims
- 2774US6599949B2Aromatic sulfonic acid demulsifier for crude oilsEXXONMOBIL RES & ENG CO·Filed 2002·Granted Jul 29, 2003·14 cites·15 claims
- 2874US6524468B2Heavy oil - solid composition and method for preparing the sameEXXONMOBIL RES & ENG CO·Filed 2001·Granted Feb 25, 2003·11 cites·9 claims
- 2974US6228239B1Crude oil desalting methodEXXON RESEARCH ENGINEERING CO·Filed 1999·Granted May 8, 2001·40 cites·4 claims
- 3073US6569815B2Composition for aqueous viscosificationEXXONMOBIL RES & ENG CO·Filed 2001·Granted May 27, 2003·14 cites·25 claims
- 3172US6988550B2Solids-stabilized oil-in-water emulsion and a method for preparing sameEXXONMOBIL UPSTREAM RES CO·Filed 2002·Granted Jan 24, 2006·22 cites·15 claims
- 3272US6736867B2Ethoxylated alkyl amine emulsion compositions for fuel cell reformer start-upEXXONMOBIL RES & ENG CO·Filed 2002·Granted May 18, 2004·12 cites·21 claims
- 3371US6869706B2Alkoxylated alkyl ester and alcohol emulsion compositions for fuel cell reformer start-upEXXONMOBIL RES & ENG CO·Filed 2002·Granted Mar 22, 2005·8 cites·6 claims
- 3471US5436160ABioremediation of hydrocarbon contaminated soilEXXON RESEARCH ENGINEERING CO·Filed 1994·Granted Jul 25, 1995·14 cites·12 claims
- 3570US8317905B2Particulate removal from gas streamsVARADARAJ RAMESH·Filed 2009·Granted Nov 27, 2012·3 cites·17 claims
- 3669US8598261B2Polymer-clay nanocomposite and process for preparing the sameWENG WEIQING·Filed 2008·Granted Dec 3, 2013·1 cites·13 claims
- 3768US7081143B2Alkoxylated triazine emulsion compositions for fuel cell reformer start-upEXXONMOBIL RES & ENG CO·Filed 2002·Granted Jul 25, 2006·5 cites·21 claims
- 3867US8431017B2Gel assisted separation method and dewatering/desalting hydrocarbon oilsVARADARAJ RAMESH·Filed 2010·Granted Apr 30, 2013·1 cites·31 claims
- 3967US8408299B2Viscous oil recovery using emulsionsKAMINSKY ROBERT D·Filed 2009·Granted Apr 2, 2013·2 cites·29 claims
- 4067US7014773B2Demulsification of emulsions by socillatory mixingEXXONMOBIL RES & ENG CO·Filed 2003·Granted Mar 21, 2006·11 cites·20 claims
- 4166US6653006B2System for fuel cell reformer start-upEXXONMOBIL RES & ENG CO·Filed 2001·Granted Nov 25, 2003·6 cites·18 claims
- 4266US5705690AUrea-surfactant clathrates and their use in bioremediation of hydrocarbon contaminated soils and waterEXXON RESEARCH ENGINEERING CO·Filed 1994·Granted Jan 6, 1998·7 cites·3 claims
- 4365US8093304B2Demulsification of water-in-oil emulsionVARADARAJ RAMESH·Filed 2007·Granted Jan 10, 2012·2 cites·51 claims
- 4465US6168702B1Chemical demulsifier for desalting heavy crudeEXXON RESEARCH ENGINEERING CO·Filed 1999·Granted Jan 2, 2001·28 cites·11 claims
- 4564US8993495B2Upgrading deasphalting residue to high performance asphaltVARADARAJ RAMESH·Filed 2011·Granted Mar 31, 2015·1 cites·13 claims
- 4664US7732387B2Preparation of aromatic polysulfonic acid compositions from light cat cycle oilEXXONMOBIL RES & ENG CO·Filed 2005·Granted Jun 8, 2010·3 cites·6 claims
- 4764US7008536B2Oil desalting and dewateringEXXONMOBIL RES & ENG CO·Filed 2003·Granted Mar 7, 2006·10 cites·6 claims
- 4864US6730138B2Alkyl polyglycerol emulsion compositions for fuel cell reformer start-upEXXONMOBIL RES & ENG CO·Filed 2002·Granted May 4, 2004·3 cites·17 claims
- 4964US5585516ATwo tail-two head and two tail-one head surfactantsEXXON RESEARCH ENGINEERING CO·Filed 1995·Granted Dec 17, 1996·8 cites·9 claims
- 5064US5493050ADiphenyl dialkyl methane surfactantsEXXON RESEARCH ENGINEERING CO·Filed 1995·Granted Feb 20, 1996·8 cites·9 claims
Showing the top 50 of 128 patent records by PatentIndex Score.
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