Inventor · disambiguated record
Wenyih F. Lai
Also filed as: LAI WENYIH · LAI WENYIH F · LAI WENYIH FRANK
97 granted patents·19 pending applications·1,343 citations·filing 1994–2023
99Inventor score
Files withEXXONMOBIL CHEMICAL PATENTS INC35EXXONMOBIL RES & ENG CO20EXXONMOBIL CHEM PATENTS INC13LAI WENYIH FRANK13EXXON RESEARCH ENGINEERING CO9
Top patents by PatentIndex Score
116 records- 0198US8697929B2Xylene isomerization process and catalyst thereforOU JOHN DI-YI·Filed 2011·Granted Apr 15, 2014·40 cites·8 claims
- 0298US7482300B2High activity ZSM-48 and methods for dewaxingEXXONMOBIL RES & ENG CO·Filed 2006·Granted Jan 27, 2009·57 cites·19 claims
- 0397US10118165B2Catalyst compositions and use in heavy aromatics conversion processesEXXONMOBIL CHEMICAL PATENTS INC·Filed 2015·Granted Nov 6, 2018·11 cites·8 claims
- 0496US9802181B2Catalyst system and use in heavy aromatics conversion processesEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted Oct 31, 2017·7 cites·7 claims
- 0596US6447745B1Catalytic oxidation processEXXONMOBIL RES & ENG CO·Filed 2000·Granted Sep 10, 2002·127 cites·30 claims
- 0695US8992764B2Integrated hydrocracking and dewaxing of hydrocarbonsPRENTICE KRISTA MARIE·Filed 2011·Granted Mar 31, 2015·26 cites·16 claims
- 0795US8425762B2Aromatic hydrogenation processMCCARTHY STEPHEN J·Filed 2008·Granted Apr 23, 2013·31 cites·22 claims
- 0895US8398955B2Method of preparing a molecular sieve compositionLAI WENYIH FRANK·Filed 2008·Granted Mar 19, 2013·25 cites·19 claims
- 0995US7538065B2Noble metal-containing catalyst containing a specific ratio of silica to aluminum in the frameworkIBM·Filed 2005·Granted May 26, 2009·28 cites·16 claims
- 1094US10669491B2Base metal dewaxing catalystEXXONMOBIL RES & ENG CO·Filed 2016·Granted Jun 2, 2020·8 cites·10 claims
- 1194US10058853B2Catalyst compositions and use in heavy aromatics conversion processesEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted Aug 28, 2018·5 cites·10 claims
- 1294US10017394B2Process for preparing a molecular sieveEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted Jul 10, 2018·6 cites·14 claims
- 1394US8545694B2Aromatics saturation process for lube oil boiling range feedstreamsMCCARTHY STEPHEN J·Filed 2005·Granted Oct 1, 2013·24 cites·34 claims
- 1494US6923949B1Synthesis of ZSM-48 crystals with heterostructural, non ZSM-48, seedingEXXONMOBIL RES & ENG CO·Filed 2004·Granted Aug 2, 2005·69 cites·12 claims
- 1594US5871650ASupported zeolite membranes with controlled crystal width and preferred orientation grown on a growth enhancing layerEXXON RESEARCH ENGINEERING CO·Filed 1994·Granted Feb 16, 1999·127 cites·26 claims
- 1693US9873614B2Synthesis of ZSM-48 crystalsLAI WENYIH FRANK·Filed 2014·Granted Jan 23, 2018·9 cites·15 claims
- 1793US8617383B2Integrated hydrocracking and dewaxing of hydrocarbonsPRENTICE KRISTA MARIE·Filed 2011·Granted Dec 31, 2013·20 cites·39 claims
- 1893US8394255B2Integrated hydrocracking and dewaxing of hydrocarbonsMCCARTHY STEPHEN J·Filed 2009·Granted Mar 12, 2013·34 cites·51 claims
- 1992US8778171B2Hydrocracking catalysts containing stabilized aggregates of small crystallites of zeolite Y associated hydrocarbon conversion processesOLIVERI CHRISTOPHER G·Filed 2012·Granted Jul 15, 2014·20 cites·44 claims
- 2092US5895769AIn-situ crystallized zeolite containing composition (LAI-ISC)EXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Apr 20, 1999·84 cites·12 claims
- 2191US10016747B2Base stock production using a high activity catalystZHANG LEI·Filed 2015·Granted Jul 10, 2018·5 cites·19 claims
- 2290US7883686B2MCM-22 family molecular sieve composition, its method of making, and use for hydrocarbon conversionsEXXONMOBIL CHEM PATENTS INC·Filed 2007·Granted Feb 8, 2011·9 cites·24 claims
- 2390US7829062B2Method of preparing a molecular sieve compositionEXXONMOBIL CHEMICAL PATENT INC·Filed 2007·Granted Nov 9, 2010·12 cites·24 claims
- 2489US11377607B2Branched paraffinic compositions derived from isomerized and hydrogenated linear alpha olefinsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2021·Granted Jul 5, 2022·3 cites·8 claims
- 2589US8840779B2Dewaxing catalystsMCCARTHY STEPHEN J·Filed 2011·Granted Sep 23, 2014·7 cites·26 claims
- 2689US7625478B2Hydroprocessing with blended ZSM-48 catalystsEXXONMOBIL RES & ENG CO·Filed 2006·Granted Dec 1, 2009·18 cites·16 claims
- 2789US7485763B2Using a catalyst having two different zeolites for transalkylation of a C9+ aromatic feedEXXONMOBIL CHEM PATENTS INC·Filed 2006·Granted Feb 3, 2009·10 cites·9 claims
- 2889US5716527AZeolite membrane with a selectivity enhancing coatingEXXON RESEARCH ENGINEERING CO·Filed 1994·Granted Feb 10, 1998·78 cites·15 claims
- 2988US9856187B2Process for conversion of acyclic C5 compounds to cyclic C5 compounds and catalyst composition for use thereinEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted Jan 2, 2018·2 cites·19 claims
- 3088US8003074B2Synthesis of high activity ZSM-48EXXONMOBIL RES & ENG CO·Filed 2007·Granted Aug 23, 2011·18 cites·18 claims
- 3187US11312669B2Oligomerization of olefinsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2019·Granted Apr 26, 2022·5 cites·21 claims
- 3287US10053403B2Catalyst compositions and their use in transalkylation of heavy aromatics to xylenesEXXONMOBIL CHEMICAL PATENTS INC·Filed 2017·Granted Aug 21, 2018·3 cites·13 claims
- 3387US7846418B2MCM-22 family molecular sieve compositionEXXONMOBIL CHEM PATENTS INC·Filed 2007·Granted Dec 7, 2010·8 cites·9 claims
- 3486US11236027B2Heavy aromatics conversion processes and catalyst compositions used thereinEXXONMOBIL CHEMICAL PATENTS INC·Filed 2021·Granted Feb 1, 2022·1 cites·3 claims
- 3586US9079809B2High throughput process for manufacturing molecular sieves of MFI framework typeEXXONMOBIL CHEM PATENTS INC·Filed 2014·Granted Jul 14, 2015·2 cites·12 claims
- 3686US8021643B2MCM-22 family molecular sieve compositionEXXONMOBIL CHEM PATENTS INC·Filed 2010·Granted Sep 20, 2011·4 cites·25 claims
- 3785US11654423B2Catalyst compositions and their use in aromatic alkylation processesEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted May 23, 2023·2 cites·24 claims
- 3885US11261141B2Processes for isomerizing alpha olefinsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted Mar 1, 2022·2 cites·25 claims
- 3985US10058854B2Catalyst system and use in heavy aromatics conversion processesEXXONMOBIL CHEMICAL PATENTS INC·Filed 2017·Granted Aug 28, 2018·1 cites·10 claims
- 4085US8500991B2High activity MTT framework type molecular sievesLAI WENYIH F·Filed 2009·Granted Aug 6, 2013·11 cites·19 claims
- 4184US9994499B2Production of cyclic C5 compoundsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted Jun 12, 2018·1 cites·18 claims
- 4284US7816573B2Molecular sieve compositionEXXONMOBIL CHEM PATENTS INC·Filed 2007·Granted Oct 19, 2010·7 cites·23 claims
- 4384US7799316B2Process for manufacturing MCM-22 family molecular sievesEXXONMOBIL CHEM PATENTS INC·Filed 2007·Granted Sep 21, 2010·6 cites·25 claims
- 4484US6893624B2High activity small crystal ZSM-12EXXONMOBIL CHEM PATENTS INC·Filed 2002·Granted May 17, 2005·24 cites·19 claims
- 4583US10011539B2Process for conversion of acyclic C5 compounds to cyclic C5 compounds and catalyst composition for use thereinEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted Jul 3, 2018·1 cites·18 claims
- 4683US9724680B2Fiber reinforced zeolite extrudates with enhanced physical propertiesLAI WENYIH FRANK·Filed 2013·Granted Aug 8, 2017·4 cites·9 claims
- 4783US8366908B2Sour service hydroprocessing for lubricant base oil productionEXXONMOBIL RES & ENG CO·Filed 2009·Granted Feb 5, 2013·11 cites·44 claims
- 4882US11986807B2Catalyst compositions and their use in aromatic alkylation processesEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2023·Granted May 21, 2024·0 cites·15 claims
- 4982US8017540B2Method of preparing a molecular sieve compositionEXXONMOBIL CHEM PATENTS INC·Filed 2010·Granted Sep 13, 2011·3 cites·25 claims
- 5080US8298403B2Dewaxing catalysts and processesELIA CHRISTINE N·Filed 2009·Granted Oct 30, 2012·8 cites·26 claims
Showing the top 50 of 116 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →