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Beijing, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Resin slurry plugging system suitable for fractured-vuggy formation...
Patent number
12,215,274
Issue date
Feb 4, 2025
CHINA UNIVESITY OF PETROLEUM (EAST CHINA)
Yingrui Bai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Nanographene and preparation method and use thereof and oil-based d...
Patent number
11,873,444
Issue date
Jan 16, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Leak-proof lost-circulation control water-based drilling fluid comp...
Patent number
11,542,425
Issue date
Jan 3, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Yang Bai
E21 - EARTH DRILLING MINING
Information
Patent Grant
High-temperature resistant, high-strength, and thixotropic gel plug...
Patent number
11,421,140
Issue date
Aug 23, 2022
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Yingrui Bai
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods of producing and using regulatory B-cells
Patent number
9,629,897
Issue date
Apr 25, 2017
The United States of America, as represented by the Secretary, Department of...
Charles Emeka Egwuagu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Deep separation method and processing system for the separation of...
Patent number
7,597,794
Issue date
Oct 6, 2009
China University of Petroleum-Beijing
Suoqi Zhao
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
Information
Patent Application
NANOGRAPHENE AND PREPARATION METHOD AND USE THEREOF AND OIL-BASED D...
Publication number
20240043735
Publication date
Feb 8, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Yang BAI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
ANTI-SLOUGHING DRILLING FLUID AND USE THEREOF
Publication number
20240043736
Publication date
Feb 8, 2024
SOUTHWEST PETROLEUM UNIVERSITY
Yang BAI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
High-Temperature Resistant, High-Strength, and Thixotropic Gel Plug...
Publication number
20210087453
Publication date
Mar 25, 2021
China University of Petroleum
YINGRUI BAI
E21 - EARTH DRILLING MINING
Information
Patent Application
METHODS OF PRODUCING AND USING REGULATORY B-CELLS
Publication number
20150110737
Publication date
Apr 23, 2015
The United States of America, as represented by Secretary, Department of Heal...
Charles Emeka Egwuagu
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
Deep separation method and processing system for the separation of...
Publication number
20070007168
Publication date
Jan 11, 2007
China University of Petroleum-Beijing
Suoqi Zhao
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...