Dongpeng ZHOU

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Harbin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Heat resistant polyimide film
- Patent number 11,685,811
- Issue date Jun 27, 2023
- Changwei Liu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Heat resistant polyimide film and preparation method thereof
- Patent number 11,028,226
- Issue date Jun 8, 2021
- Changwei Liu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Heat Resistant Polyimide Film
- Publication number 20210261735
- Publication date Aug 26, 2021
- Institute of Petroleum Chemistry, Heilongjiang Academy of Sciences
- Changwei LIU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Heat Resistant Polyimide Film and Preparation Method Thereof
- Publication number 20200172676
- Publication date Jun 4, 2020
- Institute of Petroleum Chemistry, Heilongjiang Academy of Sciences
- Changwei LIU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL