Huan CHANG

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Guangdong, CN

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Patents Applicationslast 30 patents

Information Patent Application
POLYAMIDE RECYCLING PROCESS AND POLYAMIDE OBTAINED BY RECYCLING PRO...
- Publication number 20230250252
- Publication date Aug 10, 2023
- KINGFA SCI. & TECH. CO., LTD.
- Huan CHANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
IN SITU POLYMERIZED FLAME RETARDANT, PREPARATION METHOD THEREOF, AN...
- Publication number 20220251297
- Publication date Aug 11, 2022
- KINGFA SCI. & TECH. CO., LTD.
- Huan CHANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FLAME-RETARDANT SEMI-AROMATIC POLYAMIDE AND PREPARATION METHOD THEREOF
- Publication number 20220227935
- Publication date Jul 21, 2022
- KINGFA SCI. & TECH. CO., LTD.
- Xianbo HUANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...