Wenyi DANG

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Qingdao, Shandong, CN

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Patents Applicationslast 30 patents

Information Patent Application
HALOGENATED POLYPHOSPHATE POLYOL AND PREPOLYMER AND PREPARATION MET...
- Publication number 20240417508
- Publication date Dec 19, 2024
- China Petroleum and Chemical Corporation
- Ke YANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD AND SYSTEM FOR DETECTING STRUCTURAL PERFORMANCE OF FIRE RETA...
- Publication number 20240370987
- Publication date Nov 7, 2024
- China Petroleum and Chemical Corporation
- Lei BAO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FLAME ARRESTER
- Publication number 20230226393
- Publication date Jul 20, 2023
- China Petroleum and Chemical Corporation
- Lei BAO
- A62 - LIFE-SAVING FIRE-FIGHTING