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Dongying City, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Selective hydrogenation catalyst for unsaturated compound
Patent number
9,422,486
Issue date
Aug 23, 2016
PetroChina Company Limited
Xuejun Zhang
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Apparatus and method for increasing the concentration of recycled h...
Patent number
7,785,547
Issue date
Aug 31, 2010
PetroChina Company Limited
Guangjin Chen
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Catalytic cracking process and the device used therein
Patent number
7,316,773
Issue date
Jan 8, 2008
PetroChina Company Limited
Jianfang Zhang
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Heavy oil hydrocracking process with multimetallic liquid catalyst...
Patent number
6,660,157
Issue date
Dec 9, 2003
PetroChina Company Limited
Guohe Que
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND DEVICE FOR VISCOSITY-REDUCING AND UPGRADING OF LOW-GRADE...
Publication number
20210189267
Publication date
Jun 24, 2021
Petrochina Company Limited
QINGFENG TAN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Selective Hydrogenation Catalyst for Unsaturated Compound
Publication number
20150290626
Publication date
Oct 15, 2015
Xuejun Zhang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Apparatus and method for increasing the concentration of recycled h...
Publication number
20080112862
Publication date
May 15, 2008
Guangjin Chen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Combined process for recovering hydrogen, ethylene, ethane or separ...
Publication number
20050277801
Publication date
Dec 15, 2005
Guangjin Chen
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Catalytic cracking process and the device used therein
Publication number
20040178120
Publication date
Sep 16, 2004
Jianfang Zhang
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Heavy oil hydrocracking process with multimetallic liquid catalyst...
Publication number
20020125172
Publication date
Sep 12, 2002
PetroChina Company Limited/University of Petroleum (East China)
Guohe Que
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Two-stage riser catalytic cracking process
Publication number
20020108887
Publication date
Aug 15, 2002
PetroChina Company Limited and University of Petroleum (East China)
Jianfang Zhang
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...