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:
Jul. 04, 2017
Filed:
Dec. 08, 2014
Applicant:
GE Healthcare As, Oslo, NO;
Inventors:
Torfinn Haaland, Spangereid, NO;
Arne Askildsen, Lindesnes, NO;
Rita Heskestad Kalleberg, Lindesnes, NO;
Sumihar Silalahi, Lindesnes, NO;
Alf Martin Farbrot, Lindesnes, NO;
Inger Dagny Saanum, Lindesnes, NO;
Assignee:
GE Healthcare AS, Oslo, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 231/24 (2006.01); C07C 231/02 (2006.01); C07C 237/46 (2006.01);
U.S. Cl.
CPC ...
C07C 231/24 (2013.01); C07C 231/02 (2013.01);
Abstract
Alternative continuous downstream processes for the production of 5-acetamido-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide ('Compound A') are described. Compound A is a key intermediate in the production of iodixanol and iohexol, which are two of the biggest commercially available non-ionic x-ray contrast media agents.