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:
Sep. 16, 2014
Filed:
Jul. 14, 2011
Applicants:
Pier Lucio Anelli, Milan, IT;
Marino Brocchetta, Pavia, IT;
Enrico Cappelletti, Seregno, IT;
Ornella Gazzotti, Pianengo, IT;
Inventors:
Pier Lucio Anelli, Milan, IT;
Marino Brocchetta, Pavia, IT;
Enrico Cappelletti, Seregno, IT;
Ornella Gazzotti, Pianengo, IT;
Assignee:
Bracco Imaging S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 233/65 (2006.01); C07C 231/12 (2006.01); C07C 231/10 (2006.01);
U.S. Cl.
CPC ...
C07C 231/12 (2013.01); C07C 231/10 (2013.01);
Abstract
The present invention relates to a process for the preparation of 5-[(2-hydroxyacyl)amino]-2,4,6-triiodo-1,3-benzendicarboxamidic derivatives comprising the Smiles rearrangement of a suitable precursor, by contact of an aqueous solution of this latter with an anion exchanger solid phase.