Title:
IMPROVED PROCESS FOR THE PREPARATION OF METFORMIN HYDROCHLORIDE
Document Type and Number:
WIPO Patent Application WO/2014/041566
Kind Code:
A3
Abstract:
The present invention relates to an improved process for the preparation of Metformin hydrochloride by removing solvent from a solution comprising metformin hydrochloride using agitated thin film dryer.
Inventors:
CHAVA SATYANARAYANA (IN)
GORANTLA SEETA RAMANJANEYULU (IN)
INDUKURI VENKATA SUNIL KUMAR (IN)
KETAVARAPU NARASIMHA RAO (IN)
GORANTLA VEERAIAH CHOWDARY (IN)
GORANTLA SEETA RAMANJANEYULU (IN)
INDUKURI VENKATA SUNIL KUMAR (IN)
KETAVARAPU NARASIMHA RAO (IN)
GORANTLA VEERAIAH CHOWDARY (IN)
Application Number:
PCT/IN2013/000558
Publication Date:
May 08, 2014
Filing Date:
September 17, 2013
Export Citation:
Assignee:
LAURUS LABS PRIVATE LTD (IN)
International Classes:
C07C277/06; C07C279/26
Domestic Patent References:
| WO2011064793A1 | 2011-06-03 | |||
| WO2009019661A1 | 2009-02-12 |
Foreign References:
| CN101450918A | 2009-06-10 |
Other References:
KLACZKOW, G ET AL.: "Determination ofimpurities in medical products containing metformin hydrochloride.", ACTA POLONIAE PHARMACEUTICA., vol. 67, no. 6, 2010, pages 593 - 598
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