Inventor

Ramesh Varadaraj

Inventor

Flemington, NJ, US

Overview

1994–2018

Patent span

Chemistry

Primary field (CPC C)

Patents· 97 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C10Gprimary

C10GCracking hydrocarbon oils12%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

C09KMaterials for miscellaneous applications, not provided for elsewhere10%

C10LFuels not otherwise provided for9%

B09CReclamation of contaminated soil6%

C12NMicroorganisms or enzymes4%

C02FTreatment of water, waste water, sewage, or sludge4%

C10MLubricating compositions4%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions4%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%

PatentTitleYear

10,053,630Control of coke morphology in delayed coking2018 9,115,851'Core annular flow of crude oils'2015 9,057,031'Co-gasification process for hydrocarbon solids and biomass'2015 9,051,554'Harvesting algae by foam aggregation and filtration'2015 8,993,495'Upgrading deasphalting residue to high performance asphalt'2015 8,980,618'Algae aggregation and harvesting'2015 8,748,357'Method for stabilizing diesel engine lubricating oil against degradation by biodiesel fuel'2014 8,680,029'Lubricating oil compositions for biodiesel fueled engines'2014 8,598,261'Polymer-clay nanocomposite and process for preparing the same'2013 8,431,017'Gel assisted separation method and dewatering/desalting hydrocarbon oils'2013 8,408,299'Viscous oil recovery using emulsions'2013 8,367,593'Method for improving the resistance to one or more of corrosion, oxidation, sludge and deposit formation of lubricating oil compositions for biodiesel fueled engines'2013 8,343,315'Integrated solar thermal and nuclear enabled water purification and hydrocarbon refining processes'2013 8,317,905'Particulate removal from gas streams'2012 8,298,997'Core annular flow of heavy crude oils in transportation pipelines and production wellbores'2012 8,197,562'Modification of rheological properties of coal for slurry feed gasification'2012 8,183,314'Emulsion compositions with a polymeric emulsifier'2012 8,101,086'Oil/water separation of full well stream by flocculation-demulsification process'2012 8,093,304'Demulsification of water-in-oil emulsion'2012 7,871,511'Method to alter coke morphology using either polynuclear aromatic compounds or functionalized lignin'2011 7,794,586'Viscoelastic upgrading of heavy oil by altering its elastic modulus'2010 7,794,587'Method to alter coke morphology using metal salts of aromatic sulfonic acids and/or polysulfonic acids'2010 7,732,387'Preparation of aromatic polysulfonic acid compositions from light cat cycle oil'2010 7,704,376'Fouling inhibition of thermal treatment of heavy oils'2010 7,658,838'Delayed coking process for producing free-flowing coke using polymeric additives'2010 7,652,074'Oil-in-water-in-oil emulsion'2010 7,652,073'Oil-in-water-in-oil emulsion'2010 7,645,375'Delayed coking process for producing free-flowing coke using low molecular weight aromatic additives'2010 7,594,989'Enhanced thermal upgrading of heavy oil using aromatic polysulfonic acid salts'2009 7,579,303'Polar solvent-asphaltene dispersant method for upgrading heavy oils'2009 7,537,686'Inhibitor enhanced thermal upgrading of heavy oils'2009 7,481,854'Alkoxylated alkyl ester and alcohol emulsion compositions for fuel cell reformer start-up'2009 7,435,333'Upgrading asphaltene containing oils'2008 7,419,939'Mineral acid enhanced thermal treatment for viscosity reduction of oils (ECB-0002)'2008 7,413,584'Alkoxylated alkyl ester and alcohol emulsion compositions for fuel cell reformer start-up'2008 7,338,924'Oil-in-water-in-oil emulsion'2008 7,323,342'Method for improving oil desalting by forming unstable water-in-oil emulsions'2008 7,232,470'Complex oil-in-water-in-oil (O/W/O) emulsion compositions for fuel cell reformer start-up'2007 7,186,673'Stability enhanced water-in-oil emulsion and method for using same'2007 7,150,785'High performance asphalt using alkyl aromatic sulfonic acid asphaltene dispersants'2006 7,132,180'Alkyl sorbitan emulsion compositions for fuel cell reformer start-up'2006 7,121,339'Solids-stabilized oil-in-water emulsion and a method for preparing same'2006 7,117,722'Method for determining viscosity of water-in-oil emulsions'2006 7,108,780'Oil desalting by forming unstable water-in-oil emulsions'2006 7,081,143'Alkoxylated triazine emulsion compositions for fuel cell reformer start-up'2006 7,014,773'Demulsification of emulsions by socillatory mixing'2006 7,008,536'Oil desalting and dewatering'2006 6,988,550'Solids-stabilized oil-in-water emulsion and a method for preparing same'2006 6,869,706'Alkoxylated alkyl ester and alcohol emulsion compositions for fuel cell reformer start-up'2005 6,800,193'Mineral acid enhanced thermal treatment for viscosity reduction of oils (ECB-0002)'2004 6,761,818'Heavy oil-solid composition and method for preparing the same'2004 6,736,867'Ethoxylated alkyl amine emulsion compositions for fuel cell reformer start-up'2004 6,734,144'Solids-stabilized water-in-oil emulsion and method for using same'2004 6,730,138'Alkyl polyglycerol emulsion compositions for fuel cell reformer start-up'2004 6,716,358'Demulsification of water-in-oil emulsions'2004 6,653,006'System for fuel cell reformer start-up'2003 6,599,949'Aromatic sulfonic acid demulsifier for crude oils'2003 6,590,000'Defoaming of foams utilizing sonication'2003 6,569,815'Composition for aqueous viscosification'2003 6,555,009'Demulsification of water-in-oil emulsions'2003 6,544,411'Viscosity reduction of oils by sonic treatment'2003 6,524,468'Heavy oil - solid composition and method for preparing the same'2003 6,489,368'Aromatic sulfonic acid demulsifier for crude oils'2002 6,454,936'Removal of acids from oils'2002 6,444,711'Aqueous, pumpable fluids from solid carbonaceous materials'2002 6,245,222'Additive enhanced solvent deasphalting process (law759)'2001 6,228,239'Crude oil desalting method'2001 6,211,252'Method for forming aqueous, pumpable fluids from solid carbonaceous materials'2001 6,168,702'Chemical demulsifier for desalting heavy crude'2001 6,096,196'Removal of naphthenic acids in crude oils and distillates'2000 6,048,904'Branched alkyl-aromatic sulfonic acid dispersants for solublizing asphaltenes in petroleum oils'2000 6,046,362'Recovery of amines from emulsions'2000 6,030,523'Process for neutralization of petroleum acids (LAW810)'2000 6,011,072'Oil slick dispersants'2000 5,961,821'Removal of naphthenic acids in crude oils and distillates'1999 5,851,432'Triple tail surfactant formulations for emulsification of heavy hydrocarbons'1998 5,849,193'Surface active metal chelated nutrients for bioremediation of hydrocarbon contaminated soils and water'1998 5,840,211'Oil slick dispersants'1998 5,811,290'Bioremediation method of hydrocarbon contaminated soils, water, and/or sludge using urea-surfactant clathrates'1998 5,797,700'Polyoxyethylene glycol and polyglycerol twin tail surfactant formulations for dispersion of crude oil'1998 5,741,761'Polymer-surfactant fluids for decontamination of earth formations (LAW181)'1998 5,716,839'Phytoadditives for enhanced soil bioremediation'1998 5,705,690'Urea-surfactant clathrates and their use in bioremediation of hydrocarbon contaminated soils and water'1998 5,698,441'Surfactant formulations containing menthadiene and menthadiene alcohol mixtures for enhanced soil bioremediation'1997 5,683,487'Hydrophobic bioremediants'1997 5,672,739'Class of three tail surfactants law388'1997 5,624,843'Nutrient additives for bioremediation of hydrocarbon contaminated waters'1997 5,614,474'Polymer-surfactant fluids for decontamination of earth formations'1997 5,585,516'Two tail-two head and two tail-one head surfactants'1996 5,571,715'Surface active metal chelated nutrients for bioremediation of hydrocarbon contaminated soils and water'1996 5,561,056'Class of bifunctional additives for bioremediation of hydrocarbon contaminated soils and water'1996 5,514,588'Surfactant-nutrients for bioremediation of hydrocarbon contaminated soils and water'1996 5,503,774'Class of bifunctional additives for bioremediation of hydrocarbon contaminated soils and water'1996 5,493,050'Diphenyl dialkyl methane surfactants'1996 5,436,160'Bioremediation of hydrocarbon contaminated soil'1995 5,417,864'Decontamination of hydrocarbon containing substrates (LAW100)'1995 5,300,227'Bioremediation of hydrocarbon contaminated soils and water'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2001Patents assigned to EXXON RESEARCH ENGINEERING CO (32)· patent assignee history

1994–2015Based in Flemington, NJ, US· patent location history

2002–2018Patents assigned to EXXONMOBIL RES & ENG CO (49)· patent assignee history

2004–2015Patents assigned to EXXONMOBIL UPSTREAM RES CO (14)· patent assignee history

2012–2018Patents assigned to VARADARAJ RAMESH (19)· patent assignee history

2012–2018Patents assigned to SISKIN MICHAEL (4)· patent assignee history

2015–2018Based in Bartlesville, OK, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EXXONMOBIL RES & ENG CO	49	2002–2018
EXXON RESEARCH ENGINEERING CO	32	1994–2001
VARADARAJ RAMESHself	19	2012–2018
EXXONMOBIL UPSTREAM RES CO	14	2004–2015
SISKIN MICHAEL	4	2012–2018

Locations

Location	Patents	Span
Flemington, New Jersey, US	94	1994–2015
Bartlesville, OK, US	3	2015–2018