Yuxiu An

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Modified silicon dioxide nano-particles and preparation method ther...
- Patent number 9,790,415
- Issue date Oct 17, 2017
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Reservoir protecting agent composition, drilling fluid for middle p...
- Patent number 9,353,305
- Issue date May 31, 2016
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Preparation method of a wettability reversal agent
- Patent number 9,296,936
- Issue date Mar 29, 2016
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Reservoir protecting agent composition and broad-spectrum drilling...
- Patent number 9,279,076
- Issue date Mar 8, 2016
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Protecting agent composition for high/ultra-high permeability reser...
- Patent number 9,267,068
- Issue date Feb 23, 2016
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...