Assignee
NALCO EXXON ENERGY CHEM LP
US·54 granted patents·2,095 citations·filing 1993–2000
Top patents by PatentIndex Score
54 records- 0196US5744024AMethod of treating sour gas and liquid hydrocarbonNALCO EXXON ENERGY CHEM LP·Filed 1995·Granted Apr 28, 1998·201 cites·9 claims
- 0296US5674377AMethod of treating sour gas and liquid hydrocarbonNALCO EXXON ENERGY CHEM LP·Filed 1995·Granted Oct 7, 1997·179 cites·9 claims
- 0395US5734098AMethod to monitor and control chemical treatment of petroleum, petrochemical and processes with on-line quartz crystal microbalance sensorsNALCO EXXON ENERGY CHEM LP·Filed 1996·Granted Mar 31, 1998·188 cites·25 claims
- 0493US5965785AAmine blend neutralizers for refinery process corrosionNALCO EXXON ENERGY CHEM LP·Filed 1997·Granted Oct 12, 1999·103 cites·9 claims
- 0592US6117364AAcid corrosion inhibitorNALCO EXXON ENERGY CHEM LP·Filed 1999·Granted Sep 12, 2000·110 cites·15 claims
- 0687US6147034AGelling agent for hydrocarbon liquid and method of useNALCO EXXON ENERGY CHEM LP·Filed 1999·Granted Nov 14, 2000·103 cites·17 claims
- 0787US5643460AMethod for separating oil from water in petroleum productionNALCO EXXON ENERGY CHEM LP·Filed 1995·Granted Jul 1, 1997·80 cites·8 claims
- 0886US5770041ANon-enolizable oxygenates as antifoulantsNALCO EXXON ENERGY CHEM LP·Filed 1997·Granted Jun 23, 1998·30 cites·16 claims
- 0985US5649596AUse of breaker chemicals in gelled hydrocarbonsNALCO EXXON ENERGY CHEM LP·Filed 1996·Granted Jul 22, 1997·153 cites·17 claims
- 1084US5714055ACaustic tower trap for acetaldehydeNALCO EXXON ENERGY CHEM LP·Filed 1996·Granted Feb 3, 1998·27 cites·14 claims
- 1180US6294093B1Aqueous dispersion of an oil soluble demulsifier for breaking crude oil emulsionsNALCO EXXON ENERGY CHEM LP·Filed 1998·Granted Sep 25, 2001·55 cites·2 claims
- 1280US5939362AEnhanced corrosion protection by use of friction reducers in conjuction with corrosion inhibitorsNALCO EXXON ENERGY CHEM LP·Filed 1997·Granted Aug 17, 1999·68 cites·5 claims
- 1379US5955643AComposition and method for inhibiting polymerization during the anaerobic of styreneNALCO EXXON ENERGY CHEM LP·Filed 1997·Granted Sep 21, 1999·19 cites·6 claims
- 1479US5556575ACorrosion inhibition in refineries using the reaction product of hydrocarbyl succinic anhydride and an amineNALCO EXXON ENERGY CHEM LP·Filed 1995·Granted Sep 17, 1996·38 cites·28 claims
- 1576US6120678ADesalting adjunct chemistryNALCO EXXON ENERGY CHEM LP·Filed 1993·Granted Sep 19, 2000·52 cites·8 claims
- 1676US5948735AUse of breaker chemicals in gelled hydrocarbonsNALCO EXXON ENERGY CHEM LP·Filed 1997·Granted Sep 7, 1999·38 cites·20 claims
- 1775US6180057B1Corrosion inhibiting compositions and methodsNALCO EXXON ENERGY CHEM LP·Filed 1998·Granted Jan 30, 2001·28 cites·27 claims
- 1873US6368494B1Method for reducing coke in EDC-VCM furnaces with a phosphite inhibitorNALCO EXXON ENERGY CHEM LP·Filed 2000·Granted Apr 9, 2002·7 cites·9 claims
- 1973US5650072ASulfonate and sulfate dispersants for the chemical processing industryNALCO EXXON ENERGY CHEM LP·Filed 1996·Granted Jul 22, 1997·59 cites·3 claims
- 2072US6117276AInhibiting polymerization of vinyl aromatic monomersNALCO EXXON ENERGY CHEM LP·Filed 1998·Granted Sep 12, 2000·13 cites·7 claims
- 2172US5630964AUse of sulfiding agents for enhancing the efficacy of phosphorus in controlling high temperature corrosion attackNALCO EXXON ENERGY CHEM LP·Filed 1995·Granted May 20, 1997·47 cites·15 claims
- 2271US6303079B1Corrosion inhibitor compositionsNALCO EXXON ENERGY CHEM LP·Filed 1999·Granted Oct 16, 2001·31 cites·17 claims
- 2370US5942031AExpanding additive for cement compositionNALCO EXXON ENERGY CHEM LP·Filed 1996·Granted Aug 24, 1999·32 cites·8 claims
- 2470US5797456ASurfactant additive for oil field acidizingNALCO EXXON ENERGY CHEM LP·Filed 1995·Granted Aug 25, 1998·32 cites·12 claims
- 2569US5880230AShortstop agents for vinyl polymerizationsNALCO EXXON ENERGY CHEM LP·Filed 1997·Granted Mar 9, 1999·24 cites·9 claims
- 2668US6372121B1Reducing undesired polymerization in the basic wash unit of hydrocarbon cracking processNALCO EXXON ENERGY CHEM LP·Filed 2000·Granted Apr 16, 2002·16 cites·36 claims
- 2768US6074532AAdjunct for removal of aldehydes from chemical manufacturing production streams during distillative purificationNALCO EXXON ENERGY CHEM LP·Filed 1998·Granted Jun 13, 2000·13 cites·11 claims
- 2866US5853619ALow toxic corrosion inhibitorNALCO EXXON ENERGY CHEM LP·Filed 1996·Granted Dec 29, 1998·26 cites·12 claims
- 2966US5746924AAntifoulant for acrylonitrile purificationNALCO EXXON ENERGY CHEM LP·Filed 1997·Granted May 5, 1998·17 cites·9 claims
- 3064US5714664AProcess using amine blends to inhibit chloride corrosion in wet hydrocarbon condensing systemsNALCO EXXON ENERGY CHEM LP·Filed 1995·Granted Feb 3, 1998·29 cites·8 claims
- 3162US5990053AGelling agent for hydrocarbon liquid and method of useNALCO EXXON ENERGY CHEM LP·Filed 1997·Granted Nov 23, 1999·24 cites·17 claims
- 3262US5910232AMethod for inhibiting polymer formation in styrene processingNALCO EXXON ENERGY CHEM LP·Filed 1998·Granted Jun 8, 1999·35 cites·10 claims
- 3359US6337426B1Antifoulant compositions and processesNALCO EXXON ENERGY CHEM LP·Filed 1998·Granted Jan 8, 2002·16 cites·18 claims
- 3457US6169134B1Viscosifying hydrocarbon liquidsNALCO EXXON ENERGY CHEM LP·Filed 1997·Granted Jan 2, 2001·16 cites·20 claims
- 3557US5993693AZwitterionic water-soluble substituted imine corrosion inhibitorsNALCO EXXON ENERGY CHEM LP·Filed 1998·Granted Nov 30, 1999·11 cites·11 claims
- 3657US5705721ADispersant for chloroprene unit foulingNALCO EXXON ENERGY CHEM LP·Filed 1996·Granted Jan 6, 1998·6 cites·19 claims
- 3756US6171521B1Zwitterionic water-soluble substituted imine corrosion inhibitorsNALCO EXXON ENERGY CHEM LP·Filed 1999·Granted Jan 9, 2001·13 cites·11 claims
- 3856US5954943AMethod of inhibiting coke deposition in pyrolysis furnacesNALCO EXXON ENERGY CHEM LP·Filed 1997·Granted Sep 21, 1999·20 cites·10 claims
- 3952US5723550ABulk sulfonation of EPDM rubberNALCO EXXON ENERGY CHEM LP·Filed 1995·Granted Mar 3, 1998·11 cites·12 claims
- 4050US5684096AAdducts of polyalkylene glycol and diglycidyl etherNALCO EXXON ENERGY CHEM LP·Filed 1996·Granted Nov 4, 1997·18 cites·5 claims
- 4143US5733438ACoke inhibitors for pyrolysis furnacesNALCO EXXON ENERGY CHEM LP·Filed 1995·Granted Mar 31, 1998·14 cites·29 claims
- 4243US5641394AStabilization of hydrocarbon fluids using metal deactivatorsNALCO EXXON ENERGY CHEM LP·Filed 1995·Granted Jun 24, 1997·9 cites·7 claims
- 4342US5779881APhosphonate/thiophosphonate coking inhibitorsNALCO EXXON ENERGY CHEM LP·Filed 1997·Granted Jul 14, 1998·10 cites·14 claims
- 4441US5985940AMethod of mitigating fouling and reducing viscosity in primary fractionators and quench sections of ethylene plantsNALCO EXXON ENERGY CHEM LP·Filed 1998·Granted Nov 16, 1999·16 cites·9 claims
- 4540US5660717AAbatement of hydrolyzable cations in crude oilNALCO EXXON ENERGY CHEM LP·Filed 1995·Granted Aug 26, 1997·14 cites·7 claims
- 4639US5879534ANon-enolizable oxygenates as anti foulants in ethylene dichloride manufactureNALCO EXXON ENERGY CHEM LP·Filed 1998·Granted Mar 9, 1999·7 cites·7 claims
- 4738US5543387ASurfactant additive for oilfield acidizingNALCO EXXON ENERGY CHEM LP·Filed 1995·Granted Aug 6, 1996·8 cites·17 claims
- 4835US6121602AMethod for monitoring foam and gas carry under and for controlling the addition of foam inhibiting chemicalsNALCO EXXON ENERGY CHEM LP·Filed 1998·Granted Sep 19, 2000·8 cites·15 claims
- 4935US5641396AUse of 2-amino-1-methoxypropane as a neutralizing amine in refinery processesNALCO EXXON ENERGY CHEM LP·Filed 1995·Granted Jun 24, 1997·7 cites·5 claims
- 5032US5783109ADispersion of gums and iron sulfide in hydrocarbon streams with alkyl phenol-polyethylenepolyamine formaldehyde resinsNALCO EXXON ENERGY CHEM LP·Filed 1996·Granted Jul 21, 1998·6 cites·5 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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