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:
Oct. 12, 2004
Filed:
Feb. 26, 1999
Applicant:
Inventors:
Richard A. Lorenzini, Antioch, IL (US);
Ashok V. Bhatia, Libertyville, IL (US);
Steven A. Chamberlin, Waukegan, IL (US);
Keith A. Drengler, Lindenhurst, IL (US);
John J. Hufnagel, Waukegan, IL (US);
Xiu C. Wang, Green Oaks, IL (US);
Assignee:
Bracco Imaging S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
The present invention discloses a process for the preparation of pure non-ionic contrast agents. The invention also includes a method for purifying the non-ionic contrast agents.