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Patents Grantslast 30 patents

Information Patent Grant
Pregabalin lactam methylene dimer and preparation method therefor
- Patent number 12,018,018
- Issue date Jun 25, 2024
- Zhejiang Huahai Pharmaceutical Co., Ltd.
- Jinsheng Lin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Detection method for n-nitrosodimethylamine impurities
- Patent number 11,519,890
- Issue date Dec 6, 2022
- Zhejiang Huahai Pharmaceutical Co., Ltd.
- Tan Xiao
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
PREGABALIN LACTAM METHYLENE DIMER AND PREPARATION METHOD THEREFOR
- Publication number 20210387971
- Publication date Dec 16, 2021
- ZHEJIANG HUAHAI PHARMACEUTICAL CO., LTD
- Jinsheng LIN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
DETECTION METHOD FOR N-NITROSODIMETHYLAMINE IMPURITIES
- Publication number 20210285920
- Publication date Sep 16, 2021
- Zhejiang Huahai Pharmaceutical Co., Ltd.
- Tan XIAO
- G01 - MEASURING TESTING