Junyu LEI

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Beijing City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Arylaminosilane compound, propylene polymerization catalyst and pre...
- Patent number 11,535,638
- Issue date Dec 27, 2022
- PetroChina Company Limited
- Jianjun Yi
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CATALYST FOR PROPYLENE POLYMERIZATION, CATALYST SYSTEM FOR PROPYLEN...
- Publication number 20230183394
- Publication date Jun 15, 2023
- Petrochina Company Limited
- Liang CUI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Arylaminosilane Compound, Propylene Polymerization Catalyst And Pre...
- Publication number 20200369689
- Publication date Nov 26, 2020
- Petrochina Company Limited
- Jianjun YI
- C07 - ORGANIC CHEMISTRY