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last 30 patents
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Patent Grant
rGO-PEI/PVDF pyroelectric thin film and its preparation method
Patent number
11,794,462
Issue date
Oct 24, 2023
China University of Geosciences, Beijing
Yihe Zhang
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
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Patent Application
Use of Natural Attapulgite as Natural Nano Mineral Enzyme
Publication number
20220339604
Publication date
Oct 27, 2022
China University of Geosciences (Beijing)
Yihe Zhang
C01 - INORGANIC CHEMISTRY
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Patent Application
RGO-PEI/PVDF PYROELECTRIC THIN FILM AND ITS PREPARATION METHOD
Publication number
20210296555
Publication date
Sep 23, 2021
China University of Geosciences, Beijing
Yihe Zhang
G01 - MEASURING TESTING