Changjin LI

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Beijing, CN

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Patents Applicationslast 30 patents

Information Patent Application
THERMOPLASTIC COMPOSITE MATERIAL, PREPARATION METHOD THEREFOR AND U...
- Publication number 20230415430
- Publication date Dec 28, 2023
- China Petroleum and Chemical Corporation
- Dali GAO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Flame-retardant Antimicrobial Agent, Preparation Method therefor an...
- Publication number 20220380492
- Publication date Dec 1, 2022
- China Petroleum and Chemical Corporation
- Yutao WANG
- B82 - NANO-TECHNOLOGY