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Leon Yuan
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Des Plaines, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Device to transfer catalyst from a low pressure vessel to a high pr...
Patent number
8,075,227
Issue date
Dec 13, 2011
UOP LLC
Leon Yuan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process and facility for removing one or more compounds
Patent number
8,071,497
Issue date
Dec 6, 2011
UOP LLC
Leon Yuan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for reforming a hydrocarbon stream in a unit having fixed a...
Patent number
7,981,272
Issue date
Jul 19, 2011
UOP LLC
Gary A. Dziabis
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for regenerating catalyst for a hydrocarbon conversion zone
Patent number
7,745,364
Issue date
Jun 29, 2010
UOP LLC
David J. Fecteau
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Device to transfer catalyst from a low pressure vessel to a high pr...
Patent number
7,600,950
Issue date
Oct 13, 2009
UOP LLC
Leon Yuan
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Multi-catalyst selection for chlorided reforming catalyst
Patent number
7,410,565
Issue date
Aug 12, 2008
UOP LLC
Mark P. Lapinski
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Regeneration method with efficient oxygen utilization
Patent number
7,312,173
Issue date
Dec 25, 2007
UOP LLC
Leon Yuan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Apparatus and process for continuous solid-state poly-condensation...
Patent number
7,098,300
Issue date
Aug 29, 2006
UOP LLC
Chi-Chin Chen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Device to Transfer Catalyst from a Low Pressure Vessel to a High P...
Publication number
20110217130
Publication date
Sep 8, 2011
Leon Yuan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process and Facility for Removing One or More Compounds
Publication number
20110083936
Publication date
Apr 14, 2011
UOP LLC
Leon Yuan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYST FLOW CONTROL DEVICE FOR TRANSFER OF SOLIDS BETWEEN TWO VES...
Publication number
20100014946
Publication date
Jan 21, 2010
UOP LLC
Leon Yuan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Catalytic Reformer Recycle Gas Compressor Efficiency
Publication number
20090320370
Publication date
Dec 31, 2009
David J. Fecteau
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Device to Transfer Catalyst from a Low Pressure Vessel to a High Pr...
Publication number
20090142148
Publication date
Jun 4, 2009
Leon Yuan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Catalyst Flow Control Device for Transfer of Solids Between Two Ves...
Publication number
20090110517
Publication date
Apr 30, 2009
Leon Yuan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process For Regenerating Catalyst For A Hydrocarbon Conversion Zone
Publication number
20080159930
Publication date
Jul 3, 2008
David J. Fecteau
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process and Facility For Removing One or More Compounds
Publication number
20080156699
Publication date
Jul 3, 2008
Leon Yuan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR REFORMING A HYDROCARBON STREAM IN A UNIT HAVING FIXED A...
Publication number
20080156695
Publication date
Jul 3, 2008
Gary A. Dziabis
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Process For Heating A Hydrocarbon Stream Entering A Reaction Zone W...
Publication number
20080110801
Publication date
May 15, 2008
Leon Yuan
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...