Xiaoyan Li

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Gansu Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Preparation method for modified molecular sieve and modified molecu...
- Patent number 11,111,152
- Issue date Sep 7, 2021
- PetroChina Company Limited
- Xionghou Gao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Selective hydrogenation catalyst and the preparation thereof
- Patent number 8,211,823
- Issue date Jul 3, 2012
- PetroChina Company Limited
- Shunqin Liang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Preparation Method For Modified Molecular Sieve And Modified Molecu...
- Publication number 20180222756
- Publication date Aug 9, 2018
- Petrochina Company Limited
- Xionghou Gao
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SELECTIVE HYDROGENATION CATALYST AND THE PREPARATION THEREOF
- Publication number 20100331175
- Publication date Dec 30, 2010
- Petrochina Company Limited
- Shunqin Liang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL