Yiyu LI

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Qingdao City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Polyurethane/polyvinylidene fluoride composite membrane for extract...
- Patent number 11,458,438
- Issue date Oct 4, 2022
- China University of Petroleum(East China)
- Yingfei Hou
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
POLYURETHANE/POLYVINYLIDENE FLUORIDE COMPOSITE MEMBRANE FOR EXTRACT...
- Publication number 20210308626
- Publication date Oct 7, 2021
- Yingfei HOU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL