US Patent 7671197 Process for the purification of meloxicam
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Patent 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”).
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Patent Inventor Names
Enrico Vigano'0
Ernesto Landonio0
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US Patent 07671197 Process for the purification of meloxicam US Patent 7671197 Process for the purification of meloxicam
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Patent Number
076711970
Patent Number
76711970
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Patent Jurisdiction
Patent Number
076711970
Date of Patent
March 2, 2010
0Patent Application Number
112490190
Date Filed
October 11, 2005
0Official Website
Patent Primary Examiner
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US Patent 07671197 Process for the purification of meloxicam
Infobox
Is a
Patent jurisdiction
Patent number
07671197
Date of patent
March 2, 2010
Patent application number
11249019
Date Filed
October 11, 2005
Patent primary examiner
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