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Andre R. Da Costa
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Hercules, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Heavy oil upgrade process including recovery of spent catalyst
Patent number
9,290,826
Issue date
Mar 22, 2016
Chevron U.S.A. Inc.
Andre R. Da Costa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Recovery of slurry unsupported catalyst
Patent number
8,765,622
Issue date
Jul 1, 2014
Chevron U.S.A. Inc.
Lalit S. Shah
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Recovery of slurry unsupported catalyst
Patent number
8,722,556
Issue date
May 13, 2014
Chevron U.S.A. Inc.
Andre R. DaCosta
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Heavy oil upgrade process including recovery of spent catalyst
Patent number
8,080,155
Issue date
Dec 20, 2011
Chevron U.S.A. Inc.
Andre R. Da Costa
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
Information
Patent Application
Recovery of slurry unsupported catalyst
Publication number
20090163347
Publication date
Jun 25, 2009
Chevron U.S.A. Inc.
Lalit S. Shah
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HEAVY OIL UPGRADE PROCESS INCLUDING RECOVERY OF SPENT CATALYST
Publication number
20090159505
Publication date
Jun 25, 2009
Andre R. Da Costa
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Recovery of slurry unsupported catalyst
Publication number
20090163348
Publication date
Jun 25, 2009
Chevron U.S.A. Inc.
Andre R. Da Costa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HEAVY OIL UPGRADE PROCESS INCLUDING RECOVERY OF SPENT CATALYST
Publication number
20090163350
Publication date
Jun 25, 2009
Andre R. Da Costa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...