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:
Aug. 09, 1994
Filed:
Dec. 05, 1991
Applicant:
Inventors:
David S Edwards, Burlington, MA (US);
Christopher E Orvig, Vancouver, CA;
Michael J Poirier, Nashua, NH (US);
Assignee:
The Du Pont Merck Pharmaceutical Company, Wilmington, DE (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424-165 ; 534 14 ;
Abstract
Disclosed are cationic complexes of Tc-99m and ligands having the structure: ##STR1## wherein: R.sup.1 is hydrogen or is selected from the group consisting of C.sub.1 to C.sub.20 alkyl; C.sub.3 to C.sub.12 cycloalkyl; C.sub.7 to C.sub.24 aralkyl; C.sub.2 to C.sub.16 alkyl ethers, thioethers, ketones or esters; C.sub.7 to C.sub.27 aralkyl ethers;