Invention Grant
- Patent Title: Processes for preparing venlafaxine and venlafaxine hydrochloride of form I
- Patent Title (中): 文拉法辛和盐酸文拉法辛的制备方法Ⅰ
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Application No.: US10583439Application Date: 2004-12-10
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Publication No.: US07745664B2Publication Date: 2010-06-29
- Inventor: Silvo Zupancic
- Applicant: Silvo Zupancic
- Applicant Address: SI Novo mesto
- Assignee: KRKA Tovarno Zdravil, d.d. Novo Mesto
- Current Assignee: KRKA Tovarno Zdravil, d.d. Novo Mesto
- Current Assignee Address: SI Novo mesto
- Agency: Cohrn Pontani Lieberman & Pavane LLP
- Priority: DE10359154 20031216
- International Application: PCT/EP2004/014102 WO 20041210
- International Announcement: WO2005/058796 WO 20050630
- Main IPC: C07C211/00
- IPC: C07C211/00 ; C07C205/00
Abstract:
A process for preparing venlafaxine in a high yield as well as processes for producing venlafaxine hydrochloride of form I having a very high polymorphic purity are described.
Public/Granted literature
- US20070185354A1 Processes for preparing venlafaxine and venlafaxine hydrochloride of form I Public/Granted day:2007-08-09
Information query
