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公开(公告)号:US11465964B2
公开(公告)日:2022-10-11
申请号:US16967781
申请日:2019-02-05
Applicant: Merck Patent GmbH
Inventor: Camille Correia , Renaud Poli , Serge Gerbaut , Marc Dittmann , David Maillard , Sebastian Haertner
IPC: C07C277/08 , C07C279/26
Abstract: The present invention relates to an improved process for the preparation of metformin hydrochloride, an important drug in the first line treatment of Type II Diabetes.