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Mianyang, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Method for comparative analysis on mechanical strength of macro-mol...
Patent number
11,143,591
Issue date
Oct 12, 2021
Southwest University of Science and Technology
Guanjun Chang
G01 - MEASURING TESTING
Information
Patent Grant
Macromolecular polymer and production method thereof
Patent number
10,640,612
Issue date
May 5, 2020
Southwest University of Science and Technology
Guanjun Chang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for comparative analysis on mechanical strength of polymer m...
Patent number
10,564,099
Issue date
Feb 18, 2020
Southwest University of Science and Technology
Guanjun Chang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for recovering, regenerating and repairing polymer
Patent number
10,119,005
Issue date
Nov 6, 2018
Southwest University of Science and Technology
Guanjun Chang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Method for Comparative Analysis on Mechanical Strength of Macro-mol...
Publication number
20200217793
Publication date
Jul 9, 2020
SOUTHWEST UNIVERSITY OF SCIENCE AND TECHNOLOGY
GUANJUN CHANG
G01 - MEASURING TESTING
Information
Patent Application
Macromolecular Polymer and Production Method Thereof
Publication number
20180346650
Publication date
Dec 6, 2018
Southwest University of Science and Technology
Guanjun Chang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for Comparative Analysis on Mechanical Strength of Polymer M...
Publication number
20180348130
Publication date
Dec 6, 2018
Southwest University of Science and Technology
Guanjun Chang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...