Inventor · disambiguated record
Daniel P. Leta
Also filed as: LETA DANIEL · LETA DANIEL A · LETA DANIEL P · LETA DANIEL PAUL
66 granted patents·5 pending applications·1,236 citations·filing 1992–2020
99Inventor score
Files withEXXONMOBIL RES & ENG CO16EXXON RESEARCH ENGINEERING CO14LETA DANIEL P9EXXONMOBIL UPSTREAM RES CO3MERICHEM CO3
Top patents by PatentIndex Score
71 records- 0198US9005561B2Selective sulfur removal processLETA DANIEL P·Filed 2012·Granted Apr 14, 2015·51 cites·20 claims
- 0298US8852322B2Gas purification process utilizing engineered small particle adsorbentsGUPTA RAMESH·Filed 2012·Granted Oct 7, 2014·57 cites·27 claims
- 0398US8784533B2Temperature swing adsorption process for the separation of target species from a gas mixtureLETA DANIEL P·Filed 2012·Granted Jul 22, 2014·64 cites·23 claims
- 0498US8673059B2Rapid temperature swing adsorption contactors for gas separationLETA DANIEL P·Filed 2012·Granted Mar 18, 2014·57 cites·26 claims
- 0597US8784534B2Pressure-temperature swing adsorption processKAMAKOTI PREETI·Filed 2012·Granted Jul 22, 2014·61 cites·33 claims
- 0695US9446343B2Simulated moving bed system for CO2 separation, and method of sameEXXONMOBIL RES & ENG CO·Filed 2014·Granted Sep 20, 2016·43 cites·10 claims
- 0795US6232276B1Trinuclear molybdenum multifunctional additive for lubricating oilsINFINEUM USA LP·Filed 1997·Granted May 15, 2001·118 cites·31 claims
- 0895US6010987AEnhancement of frictional retention properties in a lubricating composition containing a molybdenum sulfide additive in low concentrationEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Jan 4, 2000·84 cites·14 claims
- 0994US9744521B2Structured adsorbent beds, methods of producing the same and uses thereofBRODY JOHN F·Filed 2015·Granted Aug 29, 2017·17 cites·35 claims
- 1094US9737846B2Adsorbent materials and methods of useCARSTENSEN BARBARA·Filed 2015·Granted Aug 22, 2017·24 cites·31 claims
- 1193US9504955B2Carbon dioxide separation using adsorption with steam regenerationEXXONMOBIL RES & ENG CO·Filed 2014·Granted Nov 29, 2016·15 cites·37 claims
- 1292US9713787B2Adsorbent-incorporated polymer fibers in packed bed and fabric contactors, and methods and devices using sameOWENS TRACIE L·Filed 2015·Granted Jul 25, 2017·13 cites·34 claims
- 1392US6960291B2Naphtha desulfurization methodMERICHEM CO·Filed 2002·Granted Nov 1, 2005·50 cites·24 claims
- 1491US11433346B2Dehydration processes utilizing cationic zeolite RHOEXXONMOBIL UPSTREAM RES CO·Filed 2020·Granted Sep 6, 2022·2 cites·30 claims
- 1591US10821393B2Simulated moving bed system for CO2 separation, and method of sameEXXONMOBIL RES & ENG CO·Filed 2016·Granted Nov 3, 2020·7 cites·11 claims
- 1691US5935417AHydroconversion process for making lubricating oil basestocksEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted Aug 10, 1999·90 cites·18 claims
- 1789US7871510B2Production of an enhanced resid coker feed using ultrafiltrationEXXONMOBIL RES & ENG CO·Filed 2007·Granted Jan 18, 2011·9 cites·6 claims
- 1887US5888945AMethod for enhancing and restoring reduction friction effectivenessEXXON RESEARCH ENGINEERING CO·Filed 1996·Granted Mar 30, 1999·38 cites·11 claims
- 1986US8613852B2Process for producing a high stability desulfurized heavy oils streamLETA DANIEL P·Filed 2010·Granted Dec 24, 2013·7 cites·23 claims
- 2086US6172013B1Lubricating oil composition comprising trinuclear molybdenum compound and diesterEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Jan 9, 2001·48 cites·5 claims
- 2181US7833407B2Method of blending high TAN and high SBN crude oils and method of reducing particulate induced whole crude oil fouling and asphaltene induced whole crude oil foulingEXXONMOBIL RES & ENG CO·Filed 2006·Granted Nov 16, 2010·10 cites·8 claims
- 2281US7014751B2Continuous liquid hydrocarbon treatment methodMERICHEM CO·Filed 2002·Granted Mar 21, 2006·20 cites·24 claims
- 2380US10464009B2Adsorbent-incorporated polymer fibers in packed bed and fabric contactors, and methods and devices using sameEXXONMOBIL UPSTREAM RES CO·Filed 2017·Granted Nov 5, 2019·1 cites·33 claims
- 2480US7029573B2Composition and control method for treating hydrocarbonMERICHEM CO·Filed 2002·Granted Apr 18, 2006·18 cites·20 claims
- 2579US8177965B2Enhancement of saturates content in heavy hydrocarbons utilizing ultrafiltrationLETA DANIEL P·Filed 2007·Granted May 15, 2012·9 cites·17 claims
- 2679US6610255B1Vanadium removal in FCC by use of an outboard vesselEXXONMOBIL RES & ENG CO·Filed 2000·Granted Aug 26, 2003·19 cites·5 claims
- 2778US7897828B2Process for separating a heavy oil feedstream into improved productsEXXONMOBILE RES AND ENGINEERING COMPANY·Filed 2007·Granted Mar 1, 2011·10 cites·13 claims
- 2878US7837879B2Visbreaking yield enhancement by ultrafiltrationEXXONMOBIL RES & ENG CO·Filed 2008·Granted Nov 23, 2010·7 cites·8 claims
- 2977US10603626B2Swing adsorption processes using zeolite structuresWANG YU·Filed 2017·Granted Mar 31, 2020·1 cites·12 claims
- 3077US7927479B2Focused beam reflectance measurement to optimize desalter performance and reduce downstream foulingEXXONMOBIL RES & ENG CO·Filed 2006·Granted Apr 19, 2011·6 cites·19 claims
- 3175US7736493B2Deasphalter unit throughput increase via resid membrane feed preparationEXXONMOBIL RES & ENG CO·Filed 2007·Granted Jun 15, 2010·9 cites·23 claims
- 3273US6358894B1Molybdenum-antioxidant lube oil compositionsINFINEUM USA LP·Filed 1997·Granted Mar 19, 2002·30 cites·34 claims
- 3372US8398848B2Desulfurization of heavy hydrocarbons and conversion of resulting hydrosulfides utilizing copper metalMCCONNACHIE JONATHAN M·Filed 2009·Granted Mar 19, 2013·7 cites·16 claims
- 3472US7867379B2Production of an upgraded stream from steam cracker tar by ultrafiltrationEXXONMOBIL RES & ENG CO·Filed 2007·Granted Jan 11, 2011·5 cites·17 claims
- 3572US5935416ARaffinate hydroconversion processEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted Aug 10, 1999·37 cites·17 claims
- 3671US9322253B2Method for production of hydrocarbons using cavernsBARRY MICHAEL D·Filed 2012·Granted Apr 26, 2016·5 cites·33 claims
- 3771US8864996B2Reduction of conradson carbon residue and average boiling points utilizing high pressure ultrafiltrationLETA DANIEL P·Filed 2007·Granted Oct 21, 2014·5 cites·22 claims
- 3870US12121846B2Simulated moving bed system for CO2 separation, and method of sameEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2020·Granted Oct 22, 2024·0 cites·17 claims
- 3970US8663455B2Addition of high molecular weight naphthenic tetra-acids to crude oils to reduce whole crude oil foulingLEVINE STEVEN W·Filed 2009·Granted Mar 4, 2014·5 cites·14 claims
- 4068US5770541AIsobutanol synthesis catalystEXXON RESEARCH ENGINEERING CO·Filed 1995·Granted Jun 23, 1998·22 cites·1 claims
- 4167US6860999B2Liquid hydrocarbon treatment methodEXXONMOBIL RES & ENG CO·Filed 2002·Granted Mar 1, 2005·9 cites·30 claims
- 4266US11850569B2Compositions for carbon dioxide separation using steam regeneration, and method for preparing sameEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2020·Granted Dec 26, 2023·0 cites·5 claims
- 4366US10207249B2Organosilica materials and uses thereofLI QUANCHANG·Filed 2015·Granted Feb 19, 2019·1 cites·19 claims
- 4465US8894845B2Alkali metal hydroprocessing of heavy oils with enhanced removal of coke productsEXXONMOBIL RES & ENG CO·Filed 2012·Granted Nov 25, 2014·1 cites·40 claims
- 4564US8673132B2Heavy oil conversion process with in-situ potassium sulfide generationLETA DANIEL P·Filed 2012·Granted Mar 18, 2014·1 cites·21 claims
- 4663US11318413B2Swing adsorption processes using zeolite structuresEXXONMOBIL UPSTREAM RES CO·Filed 2020·Granted May 3, 2022·0 cites·24 claims
- 4763US6034141AIsobutanol synthesis catalystEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted Mar 7, 2000·17 cites·7 claims
- 4862US8696890B2Desulfurization process using alkali metal reagentSOTO JORGE L·Filed 2010·Granted Apr 15, 2014·1 cites·15 claims
- 4961US10512893B2Structured adsorbent beds, methods of producing the same and uses thereofBRODY JOHN F·Filed 2017·Granted Dec 24, 2019·0 cites·29 claims
- 5061US5908807AIsobutanol synthesis catalystEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted Jun 1, 1999·15 cites·3 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →