Tongxuan Zhang

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Beijing, CN

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Patents Applicationslast 30 patents

Information Patent Application
CATALYST COMPONENT FOR OLEFIN POLYMERIZATION OR COPOLYMERIZATION AN...
- Publication number 20230192915
- Publication date Jun 22, 2023
- China Petroleum and Chemical Corporation
- Nannan CUI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Composite carrier of catalysts for propylene polymerization, a cata...
- Publication number 20060154806
- Publication date Jul 13, 2006
- CHINA PETROLEUM & CHEMICAL CORPORATION
- Wei Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Composite carrier of catalysts for propylene polymerization, a cata...
- Publication number 20040229748
- Publication date Nov 18, 2004
- CHINA PETROLEUM & CHEMICAL CORPORATION
- Wei Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...