Changfeng Li

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing sulfobutyl ether-β-cyclodextrin
- Patent number 10,246,524
- Issue date Apr 2, 2019
- Asymchem Laboratories (Tianjin) Co., Ltd.
- Hao Hong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing nilotinib
- Patent number 10,000,470
- Issue date Jun 19, 2018
- ASYMCHEM LABORATORIES (TIANJIN) CO., LTD
- Hao Hong
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Etelcalcetide intermediate and method for synthesizing etelcalcetide
- Publication number 20230021514
- Publication date Jan 26, 2023
- ASYMCHEM LABORATORIES (TIANJIN) CO., LTD
- Jiuyuan LI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING NILOTINIB
- Publication number 20180148430
- Publication date May 31, 2018
- ASYMCHEM LABORATORIES (TIANJIN) CO., LTD.
- Hao HONG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING SULFOBUTYL ETHER-ß-CYCLODEXTRIN
- Publication number 20160326270
- Publication date Nov 10, 2016
- ASYMCHEM LABORATORIES (TIANJIN) CO., LTD
- Hao Hong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...