Yaoyun GUO

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Yantai, Shandong, CN

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Patents Applicationslast 30 patents

Information Patent Application
ISOCYANATE COMPOSITION, MODIFIED ISOCYANATE, POLYURETHANE RESIN AND...
- Publication number 20250197555
- Publication date Jun 19, 2025
- WANHUA CHEMICAL GROUP CO., LTD.
- Fulin ZHU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYISOCYANATE COMPOSITION, PREPARATION METHOD THEREFOR AND APPLICA...
- Publication number 20230374194
- Publication date Nov 23, 2023
- WANHUA CHEMICAL GROUP CO., LTD.
- Yong YU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...