Junfang XU

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Xian, Shaanxi, CN

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Patents Grantslast 30 patents

Information Patent Grant
Recoverable instant thickening acid and its reusing method
- Patent number 10,494,567
- Issue date Dec 3, 2019
- CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING COMPANY L...
- Hu Sun
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
RECOVERABLE INSTANT THICKENING ACID AND ITS REUSING METHOD
- Publication number 20180142138
- Publication date May 24, 2018
- Hu SUN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...