Yufeng LIANG

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Chengdu, Sichuan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Phosphonamide ester compound, salt thereof, related crystal form th...
- Patent number 11,186,599
- Issue date Nov 30, 2021
- SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
- Qiang Tian
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Solid form of 4′-thio-2′-fluoronucleoside phosphamide compound and...
- Patent number 10,787,477
- Issue date Sep 29, 2020
- SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
- Chengxi Yang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
SALT AND CRYSTAL FORM OF PYRIMIDINE COMPOUND, AND PREPARATION METHO...
- Publication number 20230295174
- Publication date Sep 21, 2023
- Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.
- Zheng Gong
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PHOSPHONAMIDE ESTER COMPOUND, SALT THEREOF, RELATED CRYSTAL FORM TH...
- Publication number 20210179647
- Publication date Jun 17, 2021
- Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.
- Qiang TIAN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SOLID FORM OF 4'-THIO-2'-FLUORONUCLEOSIDE PHOSPHAMIDE COMPOUND AND...
- Publication number 20190241603
- Publication date Aug 8, 2019
- Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.
- Chengxi YANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE