Jian Liu

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Oil well cement slurry high-temperature suspension stabilizer prepa...
- Patent number 11,345,844
- Issue date May 31, 2022
- SOUTHWEST PETROLEUM UNIVERSITY
- Xiaowei Cheng
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Pyridine derivative and medical use thereof
- Patent number 9,815,833
- Issue date Nov 14, 2017
- Chengdu Easton Biopharmaceuticals Co., Ltd.
- Ying Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Xanthine derivative
- Patent number 9,255,098
- Issue date Feb 9, 2016
- Chengdu Easton Pharmaceutical Co., Ltd.
- Ying Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
OIL WELL CEMENT SLURRY HIGH-TEMPERATURE SUSPENSION STABILIZER PREPA...
- Publication number 20200392393
- Publication date Dec 17, 2020
- SOUTHWEST PETROLEUM UNIVERSITY
- Xiaowei Cheng
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
PYRIDINE DERIVATIVE AND MEDICAL USE THEREOF
- Publication number 20160244440
- Publication date Aug 25, 2016
- Ying Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
XANTHINE DERIVATIVE
- Publication number 20150183788
- Publication date Jul 2, 2015
- Chengdu Easton Pharmaceutical Co., Ltd.
- Ying Wang
- C07 - ORGANIC CHEMISTRY