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Beijing, CN
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Patents Grants
last 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
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
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-...
Patents Applications
last 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
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
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-...
Information
Patent Application
Olefin Polymerization Catalyst and a Combined Catalyst Containing t...
Publication number
20160102159
Publication date
Apr 14, 2016
Petrochina Company Limited
Weisong Cui
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...