Invention Grant
- Patent Title: Process for the purification of meloxicam
- Patent Title (中): 美洛昔康净化方法
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Application No.: US11249019Application Date: 2005-10-11
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Publication No.: US07671197B2Publication Date: 2010-03-02
- Inventor: Enrico Vigano' , Ernesto Landonio
- Applicant: Enrico Vigano' , Ernesto Landonio
- Applicant Address: IT Milan
- Assignee: A.M.S.A. Anonima Materie Sintetiche E Affini S.p.A.
- Current Assignee: A.M.S.A. Anonima Materie Sintetiche E Affini S.p.A.
- Current Assignee Address: IT Milan
- Agency: Knobbe, Martens, Olson & Bear, LLP
- Priority: ITMI2004A1918 20041011
- Main IPC: C07D417/00
- IPC: C07D417/00
Abstract:
The present invention relates to a process for the purification of meloxicam and in particular of the impurity composed of 4-hydroxy-2-methyl-N-ethyl-N′-(5-methyl-2-thiazolyl)-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxide and to meloxicam containing a quantity of less than 0.05% of the above-mentioned impurity (“ethylamide”).
Public/Granted literature
- US20060116514A1 Process for the purification of meloxicam Public/Granted day:2006-06-01
Information query
