Xufei LI

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Taizhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing azetidinone compound and intermediate of azeti...
- Patent number 10,364,219
- Issue date Jul 30, 2019
- Zhejiang Hisun Pharmaceutical Co., Ltd.
- Hua Bai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing azetidinone compound and intermediate of azeti...
- Patent number 9,926,268
- Issue date Mar 27, 2018
- Zhejiang Hisun Pharmaceutical Co., Ltd.
- Hua Bai
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CRYSTAL FORMS OF ACRYLIC ACID DERIVATIVES, PREPARATION METHOD THERE...
- Publication number 20220220107
- Publication date Jul 14, 2022
- ZHEJIANG HISUN PHARMACEUTICAL CO., LTD
- Jianfeng ZHENG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING AZETIDINONE COMPOUND AND INTERMEDIATE OF AZETI...
- Publication number 20180099930
- Publication date Apr 12, 2018
- ZHEJIANG HISUN PHARMACEUTICAL CO., LTD.
- Hua BAI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING AZETIDINONE COMPOUND AND INTERMEDIATE OF AZETI...
- Publication number 20170121281
- Publication date May 4, 2017
- ZHEJIANG HISUN PHARMACEUTICAL CO., LTD.
- Hua BAI
- C07 - ORGANIC CHEMISTRY