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. 03, 1991
Filed:
Mar. 28, 1989
Applicant:
Inventors:
Assignee:
Amersham International plc, Buckinghamshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07F / ;
U.S. Cl.
CPC ...
424-11 ; 534 14 ; 568 13 ; 568 70 ; 549357 ; 549415 ; 549448 ; 549472 ;
Abstract
This invention concerns novel bidentate ligands L having two phosphorus or arsenic atoms. Cationic complexes of the ligands with Technetium-99m, e.g. having the formula [TcO.sub.2 L.sub.2 ].sup.+, are useful for body imaging, particularly myocardial imaging. The ligands have the general formula