Invention Grant
- Patent Title: Process for preparing sodium risedronate hemipentahydrate
- Patent Title (中): 制备利塞膦酸钠半水合物的方法
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Application No.: US12519661Application Date: 2007-10-22
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Publication No.: US08193355B2Publication Date: 2012-06-05
- Inventor: Young-Deuck Kim , Jae-Yeon Shin
- Applicant: Young-Deuck Kim , Jae-Yeon Shin
- Applicant Address: KR Chungcheongbuk-Do
- Assignee: Dongwoo Syntech Co., Ltd
- Current Assignee: Dongwoo Syntech Co., Ltd
- Current Assignee Address: KR Chungcheongbuk-Do
- Agency: Lucas & Mercanti, LLP
- Priority: KR10-2006-0130718 20061220
- International Application: PCT/KR2007/005165 WO 20071022
- International Announcement: WO2008/075831 WO 20080626
- Main IPC: C07F9/58
- IPC: C07F9/58
Abstract:
A novel process for preparing risedronate sodium hemipentahydrate represented by the following formula 1 using 2-(3-pyridyl)-1-hydroxyethane-1,1-bisphosphonic acid (risedronic acid) and an aqueous solution of risedronate sodium is disclosed.
Public/Granted literature
- US20100016592A1 PROCESS FOR PREPARING SODIUM RISEDRONATE HEMIPENTAHYDRATE Public/Granted day:2010-01-21
Information query
