Donghai SUN

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Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Polycarbonate composition and preparation method thereof
- Patent number 10,800,915
- Issue date Oct 13, 2020
- KINGFA SCI. & TECH. CO., LTD.
- Zhengyu Tian
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate composition and preparation method thereof
- Patent number 10,696,841
- Issue date Jun 30, 2020
- KINGFA SCI. & TECH. CO., LTD.
- Xiuhao Xie
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
POLYCARBONATE COMPOSITION AND PREPARATION METHOD THEREOF
- Publication number 20180163047
- Publication date Jun 14, 2018
- KINGFA SCI. & TECH. CO., LTD.
- Xiuhao XIE
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYCARBONATE COMPOSITION AND PREPARATION METHOD THEREOF
- Publication number 20180163046
- Publication date Jun 14, 2018
- KINGFA SCI. & TECH. CO., LTD.
- Zhengyu TIAN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...