Yongjun Zhang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst composition for ethylene oligomerization and the use thereof
- Patent number 7,786,336
- Issue date Aug 31, 2010
- PetroChina Company Limited
- Baojun Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
METALLOCENE COMPOUND, AND PREPARATION METHOD AND APPLICATION THEREOF
- Publication number 20240336645
- Publication date Oct 10, 2024
- Petrochina Company Limited
- Yulong WANG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SEPARATION AND RECOVERY METHOD FOR BORON TRIFLUORIDE AND COMPLEX TH...
- Publication number 20240002243
- Publication date Jan 4, 2024
- PETROCHINA COMPANY LIMITED
- Tong LIU
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Catalyst composition for ethylene oligomerization and the use thereof
- Publication number 20070232481
- Publication date Oct 4, 2007
- PetroChina Company Limited
- Baojun Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...