Daoxiong Li

Follow

Person

Chengdu, CN

People

Patents Grantslast 30 patents

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
Oil-based drilling fluid composition, oil-based drilling fluid and...
- Patent number 11,485,896
- Issue date Nov 1, 2022
- SOUTHWEST PETROLEUM UNIVERSITY
- Yang Bai
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Modified polyvinyl acetate and preparation method and use thereof a...
- Patent number 11,441,062
- Issue date Sep 13, 2022
- SOUTHWEST PETROLEUM UNIVERSITY
- Yang Bai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
OIL-BASED DRILLING FLUID COMPOSITION, OIL-BASED DRILLING FLUID AND...
- Publication number 20220290032
- Publication date Sep 15, 2022
- SOUTHWEST PETROLEUM UNIVERSITY
- Yang BAI
- C01 - INORGANIC CHEMISTRY