Shuangshuang DUAN

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Chengdu, Sichuan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tetrahydroisoquinoline derivatives, preparation process and use the...
- Patent number 11,541,049
- Issue date Jan 3, 2023
- SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
- Yongyong Wu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
HETEROCYCLIC COMPOUND, PHARMACEUTICAL COMPOSITION COMPRISING SAME,...
- Publication number 20220144847
- Publication date May 12, 2022
- Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.
- Zhonghui Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
TETRAHYDROISOQUINOLINE DERIVATIVES, PREPARATION PROCESS AND USE THE...
- Publication number 20210052576
- Publication date Feb 25, 2021
- Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.
- Yongyong WU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE