Lei Yu

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Yantai, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Preparation method for optically active citronellal
- Patent number 12,202,792
- Issue date Jan 21, 2025
- WANHUA CHEMICAL GROUP CO., LTD
- Jing Dong
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Coated Rubber Particle, Its Preparation and Application Thereof
- Publication number 20230242804
- Publication date Aug 3, 2023
- China Petroleum and Chemical Corporation
- Gongrang LI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Cyclic Thioether Compound, Vegetable Oil Composition Containing the...
- Publication number 20230141112
- Publication date May 11, 2023
- China Petroleum and Chemical Corporation
- Gongrang LI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PREPARATION METHOD FOR OPTICALLY ACTIVE CITRONELLAL
- Publication number 20230043867
- Publication date Feb 9, 2023
- WANHUA CHEMICAL GROUP CO., LTD.
- Jing Dong
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL