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:
Jul. 31, 2007
Filed:
Aug. 12, 2003
Applicants:
Peter Kremminger, Kufstein, AT;
Siegfried Wolf, Brixlegg, AT;
Johannes Ludescher, Breitenbach, AT;
Inventors:
Assignee:
Sandoz AG, Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C07D 501/22 (2006.01); C07D 417/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
7-[2-(2-aminothiazol-4-yl)-2-(methylcarbonyloxyimino)acetamido]-3-vinyl-cephem-4-carboxylic acid of formula I in the form of a crystalline salt and use thereof, e.g. in the preparation of pure cefdinir. In another aspect this invention relates to the compound of formula I in the form of a salt, optionally in crystalline form, wherein the salt is selected from the group consisting of phosphate, hydrogen phosphate, mesylate, tosylate, sulfate, hydrogen sulfate and sulfamate.