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Patents Grants
last 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
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
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-...