Invention Application
- Patent Title: PROCESSES FOR PREPARING METFORMIN HYDROCHLORIDE
- Patent Title (中): 制备羟基氯化氢的方法
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Application No.: PCT/IN2010000417Application Date: 2010-06-17
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Publication No.: WO2010146604A8Publication Date: 2012-01-26
- Inventor: PATEL PRANAV DUSHYANT , PATEL DINESH RAMANLAL
- Applicant: PATEL PRANAV DUSHYANT AND PATEL SHIVANI PRANAV TRADING AS EXEMED PHARMACEUTICALS A PARTNERSHIP FIRM , PATEL PRANAV DUSHYANT , PATEL DINESH RAMANLAL
- Assignee: PATEL PRANAV DUSHYANT AND PATEL SHIVANI PRANAV TRADING AS EXEMED PHARMACEUTICALS A PARTNERSHIP FIRM,PATEL PRANAV DUSHYANT,PATEL DINESH RAMANLAL
- Current Assignee: PATEL PRANAV DUSHYANT AND PATEL SHIVANI PRANAV TRADING AS EXEMED PHARMACEUTICALS A PARTNERSHIP FIRM,PATEL PRANAV DUSHYANT,PATEL DINESH RAMANLAL
- Priority: IN1459MU2009 2009-06-18
- Main IPC: C07C277/02
- IPC: C07C277/02 ; A61K31/155 ; C07C277/08 ; C07C279/26
Abstract:
A process for reducing dimethylamine content in metformin hydrochloride is disclosed. The process comprises: (a) providing metformin hydrochloride having dimethylamine content more than 15 ppm; (b) pulverizing the metformin hydrochloride; (c) slurrying the metformin hydrochloride in one or more Cj-C4 alcohol solvents; and (d) isolating the metformin hydrochloride.
Public/Granted literature
- WO2010146604A3 PROCESSES FOR PREPARING METFORMIN HYDROCHLORIDE Public/Granted day:2011-02-10
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