Chengxi YANG

Follow

Person

Chengdu, Sichuan, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Solid form of dihydropyrimidine compound and preparation method the...
- Patent number 11,434,235
- Issue date Sep 6, 2022
- SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
- Tianming Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Crystal form of 4-phenylthiazole derivative and preparation method...
- Patent number 11,174,234
- Issue date Nov 16, 2021
- Sichuan Kelan Pharmaceutical Research Institute Co., Ltd.
- Shidong Yi
- 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
SOLID FORM OF AROMATIC COMPOUND AND PREPARATION METHOD THEREFOR
- Publication number 20220220075
- Publication date Jul 14, 2022
- SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
- Shidong YI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CRYSTAL FORM OF 4-PHENYLTHIAZOLE DERIVATIVE AND PREPARATION METHOD...
- Publication number 20210269410
- Publication date Sep 2, 2021
- SICHUAN KELUN PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD.
- Shidong YI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SOLID FORM OF DIHYDROPYRIMIDINE COMPOUND AND PREPARATION METHOD THE...
- Publication number 20210024514
- Publication date Jan 28, 2021
- SICHUAN KELUN-BIOTECH BIOPHARMACEUTICAL CO., LTD.
- TIANMING WANG
- 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