Xiaomei Lang

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Daqing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Olefin polymerization catalyst and preparation method and use thereof
- Patent number 8,404,789
- Issue date Mar 26, 2013
- PetroChina Company Limited
- Jianjun Yi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
METALLOCENE COMPLEX WITH A HETEROATOM-CONTAINING PI-LIGAND AND PREP...
- Publication number 20200062874
- Publication date Feb 27, 2020
- Petrochina Company Limited
- Shixuan XIN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METALLOCENE COMPLEX WITH A HETEROATOM-CONTAINING PI-LIGAND AND PREP...
- Publication number 20180079843
- Publication date Mar 22, 2018
- Petrochina Company Limited
- Shixuan XIN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
OLEFIN POLYMERIZATION CATALYST AND PREPARATION METHOD AND USE THEREOF
- Publication number 20100184930
- Publication date Jul 22, 2010
- Petrochina Company Limited
- Jianjun Yi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...