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. 09, 2014
Filed:
Jul. 28, 2006
Applicants:
Jan Cervenka, Oslo, NO;
Khalid Hussain, Oslo, NO;
Arne W. Aabye, Oslo, NO;
Inventors:
Assignee:
GE Healthcare AS, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 233/05 (2006.01); C07C 233/65 (2006.01); C07B 63/00 (2006.01); C07C 231/24 (2006.01); C07C 17/392 (2006.01);
U.S. Cl.
CPC ...
C07C 231/24 (2013.01); C07B 63/00 (2013.01); C07C 17/392 (2013.01);
Abstract
The invention describes a process for the purification of iodinated aryl compounds where the purification is performed by continuous crystallization of a crude product in a solvent with addition of anti-solvent. The continuous crystallization process is performed in one or more crystallizers at a temperature up to the boiling point of the content of the crystallizer.