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:
Nov. 16, 1993
Filed:
Jul. 22, 1991
Applicant:
Inventors:
Michael F Tweedle, Princeton, NJ (US);
Lon J Wilson, Houston, TX (US);
Joseph E Bradshaw, Houston, TX (US);
Daniel W Lee, Lake Jackson, TX (US);
Assignee:
E.R. Squibb & Sons, Inc., Princeton, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
540145 ; 424-9 ;
Abstract
Porphyrin-complex compounds useful as contrast agents in magnetic resonance imaging (MRI) having the formula ##STR1## where Y is a transition metal such as Fe.sup.III, Cr.sup.III, Mn.sup.III, Mn.sup.II and Cu.sup.II, X is a biologically well-tolerated metal complexing anion such as Cl.sup.-, CF.sub.3 SO.sub.3 or CF.sub.3 COO.sup.- and R is a nonionic water solubilizing moiety.