The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 11, 2000
Filed:
Apr. 22, 1998
Applicant:
Inventor:
Bob Macel, Thornhill, CA;
Assignee:
Torcan Chemical Ltd., Aurora, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
5462734 ;
Abstract
Magnesium omeprazole is provided, in a form free of organic solvent residues and free of traces of more than 50 ppm of another metal ion. It is prepared by an aqueous phase process in which a solution of omeprazole in concentrated aqueous ammonia is added to a mixture of a magnesium salt and a fully ionized ammonium salt, in aqueous solution, to effect precipitation of magnesium omeprazole.