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:
Feb. 06, 2007
Filed:
Dec. 01, 2003
Applicants:
Giovanni Pozzi, Besana Brianza, IT;
Patricio Martin Gomez, Salamanca, ES;
Marco Alpegiani, Milan, IT;
Walter Cabri, Rozzano, IT;
Inventors:
Giovanni Pozzi, Besana Brianza, IT;
Patricio Martin Gomez, Salamanca, ES;
Marco Alpegiani, Milan, IT;
Walter Cabri, Rozzano, IT;
Assignee:
Antibioticos S.p.A., Rodano, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 501/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
Cefdinir crystalline salts of formula (I), in which n ranges from 1 to 3, the preparation and use thereof for the preparation and purification of cefdinir are herein disclosed. The salts of formula (I) can be obtained from cefdinir intermediates or crude cefdinir by treatment with phosphoric acid.