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Xiaodong KANG
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Beijing, CN
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last 30 patents
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Patent Grant
Heavy oil activator and preparation method and use thereof
Patent number
10,941,333
Issue date
Mar 9, 2021
China National Offshore Oil Corporation
Jian Zhang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
HEAVY OIL ACTIVATOR AND PREPARATION METHOD AND USE THEREOF
Publication number
20200199442
Publication date
Jun 25, 2020
CHINA NATIONAL OFFSHORE OIL CORPORATION
Jian ZHANG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...