Xuefen Liu

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Process for hydrotreating heavy raw oils
- Patent number 9,657,236
- Issue date May 23, 2017
- China Petroleum and Chemical Corporation
- Qinghe Yang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Hydrogenation catalyst and use thereof
- Patent number 8,697,598
- Issue date Apr 15, 2014
- China Petroleum and Chemical Corporation
- Xiangyun Long
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Catalyst for hydrorefining fraction oils, its carrier and preparation
- Patent number 6,518,219
- Issue date Feb 11, 2003
- China Petrochemical Corporation
- Qinghe Yang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Distillate hydrofining catalyst and a process for the preparation o...
- Patent number 5,914,290
- Issue date Jun 22, 1999
- China Petrochemical Corporation
- Yahua Shi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Hydrogenation catalyst, its production and application thereof
- Publication number 20190232269
- Publication date Aug 1, 2019
- China Petroleum and Chemical Corporation
- Le ZHANG
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PROCESS FOR HYDROTREATING HEAVY RAW OILS
- Publication number 20140001090
- Publication date Jan 2, 2014
- Research Institute of Petroleum Processing, Sinopec
- Qinghe YANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Hydrogenation catalyst and use thereof
- Publication number 20090139898
- Publication date Jun 4, 2009
- Xiangyun Long
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL