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Patents Grants
last 30 patents
Information
Patent Grant
Foam solution and preparation thereof used for profile control and...
Patent number
10,941,334
Issue date
Mar 9, 2021
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Chao Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Viscosity reduction system for microwave extraction of heavy oil an...
Patent number
10,767,106
Issue date
Sep 8, 2020
China University of Petroleum
Zhaomin Li
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
FOAM SOLUTION AND PREPARATION THEREOF USED FOR PROFILE CONTROL AND...
Publication number
20200339866
Publication date
Oct 29, 2020
China University of Petroleum (East China)
Chao Zhang
E21 - EARTH DRILLING MINING
Information
Patent Application
VISCOSITY REDUCTION SYSTEM FOR MICROWAVE EXTRACTION OF HEAVY OIL AN...
Publication number
20200208042
Publication date
Jul 2, 2020
China University of Petroleum
Zhaomin LI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...