Yunguang Han

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Low viscosity poly-a-olefin lubricating oil and synthesis method th...
- Patent number 11,352,572
- Issue date Jun 7, 2022
- PetroChina Company Limited
- Hongling Chu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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
LOW VISCOSITY POLY-A-OLEFIN LUBRICATING OIL AND SYNTHESIS METHOD TH...
- Publication number 20200190409
- Publication date Jun 18, 2020
- Petrochina Company Limited
- Hongling CHU
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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-...