Yuan Yuan

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Beijing City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Magnesium alkoxide catalyst support and the preparation method and...
- Patent number 11,084,890
- Issue date Aug 10, 2021
- PetroChina Company Ltd.
- Jianjun Yi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Olefin coordination polymerization catalyst, and preparation method...
- Patent number 11,014,994
- Issue date May 25, 2021
- PetroChina Company Limited
- Mingge Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Olefin coordination polymerization catalyst and use thereof
- Patent number 10,927,195
- Issue date Feb 23, 2021
- PetroChina Company Limited
- Jianjun Yi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Spherical supported transition metal catalyst
- Patent number 10,808,052
- Issue date Oct 20, 2020
- PetroChina Company Limited
- Yuan Yuan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-soluble isatin derivative, and manufacturing method and appli...
- Patent number 10,703,717
- Issue date Jul 7, 2020
- Tianjin University of Science and Technology
- Peng Yu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
WATER-SOLUBLE ISATIN DERIVATIVE, AND MANUFACTURING METHOD AND APPLI...
- Publication number 20190359568
- Publication date Nov 28, 2019
- TIANJIN UNIVERSITY OF SCIENCE & TECHNOLOGY
- Peng YU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Olefin Coordination Polymerization Catalyst and Use Thereof
- Publication number 20190248928
- Publication date Aug 15, 2019
- Jianjun Yi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MAGNESIUM ALKOXIDE CATALYST SUPPORT AND THE PREPARATION METHOD AND...
- Publication number 20190169324
- Publication date Jun 6, 2019
- Petrochina Company Limited
- Jianjun YI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Olefin Coordination Polymerization Catalyst, And Preparation Method...
- Publication number 20190048106
- Publication date Feb 14, 2019
- Mingge Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Spherical Supported Transition Metal Catalyst
- Publication number 20180244812
- Publication date Aug 30, 2018
- Petrochina Company Limited
- Yuan Yuan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...