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Pak C. Leung
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Lafayette, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Highly active slurry catalyst composition
Patent number
7,410,928
Issue date
Aug 12, 2008
Chevron U.S.A. Inc.
Kaidong Chen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for upgrading heavy oil using a highly active slurry cataly...
Patent number
7,238,273
Issue date
Jul 3, 2007
Chevron U.S.A. Inc.
Kaidong Chen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for upgrading heavy oil using a highly active slurry cataly...
Patent number
7,214,309
Issue date
May 8, 2007
Chevron U.S.A. Inc.
Kaidong Chen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Catalyst for conversion processes
Patent number
7,074,740
Issue date
Jul 11, 2006
Chevron U.S.A. Inc.
Kirk R. Gibson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Upflow reactor system with layered catalyst bed for hydrotreating h...
Patent number
6,554,994
Issue date
Apr 29, 2003
Chevron U.S.A. Inc.
Bruce E. Reynolds
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
Information
Patent Application
HIGHLY ACTIVE SLURRY CATALYST COMPOSITION
Publication number
20070265157
Publication date
Nov 15, 2007
Chevron U.S.A. Inc.
Kaidong Chen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for upgrading heavy oil using a highly active slurry cataly...
Publication number
20060054535
Publication date
Mar 16, 2006
Chevron U.S.A. Inc.
Kaidong Chen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for upgrading heavy oil using a highly active slurry cataly...
Publication number
20060054534
Publication date
Mar 16, 2006
Chevron U.S.A. Inc.
Kaidong Chen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Highly active slurry catalyst composition
Publication number
20060058175
Publication date
Mar 16, 2006
Chevron U.S.A. Inc.
Kaidong Chen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Presulfiding OCR catalyst replacement batches
Publication number
20050006283
Publication date
Jan 13, 2005
Chevron U.S.A. Inc.
Pak C. Leung
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Catalyst for conversion processes
Publication number
20040004030
Publication date
Jan 8, 2004
Kirk R. Gibson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Presulfiding OCR catalyst replacement batches
Publication number
20020043483
Publication date
Apr 18, 2002
Pak C. Leung
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...