Zhongxing Li

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Surfactant that changes the wettability of tight sandstone and its...
- Patent number 10,544,353
- Issue date Jan 28, 2020
- PetroChina Company Ltd.
- Gang Guo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
SURFACTANT THAT CHANGES THE WETTABILITY OF TIGHT SANDSTONE AND ITS...
- Publication number 20190031945
- Publication date Jan 31, 2019
- Petrochina Company Limited
- Gang Guo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...