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Chi-Wen Hung
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San Rafael, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Hydroconversion catalyst
Patent number
5,190,642
Issue date
Mar 2, 1993
Chevron Research and Technology Company
Charles R. Wilson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for removal of calcium from a hydrocarbon feedstock
Patent number
5,164,077
Issue date
Nov 17, 1992
Chevron Research and Technology Company
Chi-Wen Hung
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for removal of calcium from a hydrocarbon feedstock
Patent number
5,164,078
Issue date
Nov 17, 1992
Chevron Research and Technology Company
Chi W. Hung
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalyst system for removal of calcium from a hydrocarbon feedstock
Patent number
5,143,887
Issue date
Sep 1, 1992
Chevron Research and Technology Company
Chi-Wen Hung
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalyst system for removal of calcium from a hydrocarbon feedstock
Patent number
5,102,852
Issue date
Apr 7, 1992
Chevron Research and Technology Company
Chi-Wen Hung
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hydroconversion catalyst and method for making the catalyst
Patent number
5,089,453
Issue date
Feb 18, 1992
Chevron Research and Technology Company
Charles R. Wilson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Graded catalyst system for removal of calcium and sodium from a hyd...
Patent number
4,830,736
Issue date
May 16, 1989
Chevron Research Company
Chi-Wen Hung
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the removal of sodium from a hydrocarbon feedstock empl...
Patent number
4,744,888
Issue date
May 17, 1988
Chevron Research Company
Chi-Wen Hung
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalyst system for removal of calcium from a hydrocarbon feedstock
Patent number
4,741,821
Issue date
May 3, 1988
Chevron Research Company
Chi-Wen Hung
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Indium-containing dehydrogenation catalyst
Patent number
4,551,574
Issue date
Nov 5, 1985
UOP Inc.
Tamotsu Imai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dehydrogenation catalyst composition
Patent number
4,506,032
Issue date
Mar 19, 1985
UOP Inc.
Tamotsu Imai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Indium-containing dehydrogenation catalyst
Patent number
4,486,547
Issue date
Dec 4, 1984
UOP Inc.
Tamotsu Imai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dehydrogenation of hydrocarbons with a halogen contacting step
Patent number
4,438,288
Issue date
Mar 20, 1984
UOP Inc.
Tamotsu Imai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dehydrogenation process using a catalytic composition
Patent number
4,430,517
Issue date
Feb 7, 1984
UOP Inc.
Tamotsu Imai
C07 - ORGANIC CHEMISTRY