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:
May. 15, 2001
Filed:
May. 26, 1999
Applicant:
Inventors:
Dick Malthe-Sørenssen, Oslo, NO;
Anne Cathrine Schelver Hyni, Oslo, NO;
Arne Aabye, Oslo, NO;
Hans René Bjørsvik, Oslo, NO;
Geir Brekke, Oslo, NO;
Carl Einar Sjøgren, Oslo, NO;
Assignee:
Nycomed Imaging AS, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; A61K 4/904 ;
U.S. Cl.
CPC ...
C07C / ; A61K 4/904 ;
Abstract
The present invention provides a process for the production of an organic iodinated X-ray contract agent, characterized in that process control comprises vibrational (e.g., infrared, Raman or preferably near-infrared) spectroscopic monitoring of the reaction mixture in at least one of the process steps, preferably one of the final reaction steps.