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Patents Grants
last 30 patents
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Patent Grant
Bionic and dual-phobic high-performance water-based drilling fluid
Patent number
11,787,990
Issue date
Oct 17, 2023
China University of Petroleum (Beijing)
Guancheng Jiang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Amphiphilic block polymer ultralow-permeability agent and intellige...
Patent number
11,578,251
Issue date
Feb 14, 2023
China University of Petroleum (Beijing)
Yinbo He
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
BIONIC AND DUAL-PHOBIC HIGH-PERFORMANCE WATER-BASED DRILLING FLUID
Publication number
20230133053
Publication date
May 4, 2023
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
Guancheng JIANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
AMPHIPHILIC BLOCK POLYMER ULTRALOW-PERMEABILITY AGENT AND INTELLIGE...
Publication number
20220204833
Publication date
Jun 30, 2022
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
Yinbo HE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AMPHIPHILIC BLOCK POLYMER ULTRALOW-PERMEABILITY AGENT AND INTELLIGE...
Publication number
20220049148
Publication date
Feb 17, 2022
CHINA UNIVERSITY OF PETROLEUM (BEIJING)
Yinbo HE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...