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. 08, 1995
Filed:
May. 02, 1994
Applicant:
Inventors:
Torsten Almen, Malmo, SE;
Arne Berg, Blommenholm, NO;
Harald Dugstad, Oslo, NO;
Jo Klaveness, Oslo, NO;
Klaus D Krautwurst, Stabekk, NO;
Pal Rongved, Hellvik, NO;
Assignee:
Nycomed Imaging AS, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61B / ;
U.S. Cl.
CPC ...
424-9361 ; 424-942 ; 424-95 ; 436173 ; 534 15 ; 534 16 ; 514184 ; 514836 ; 544-4 ; 544 64 ;
Abstract
Heterocyclic chelating agents and salts thereof of formula I: ##STR1## wherein X represents a bond, O or S, or a group CHR.sup.1 or NR.sup.3, each R.sup.1 represents H, a group OR.sup.3 or NR.sup.3 R.sup.3, or an alkyl or alkoxyalkyl group optionally substituted by a hydroxyl group or by a group NR.sup.3 R.sup.3 or CON.sup.3 R.sup.3 ;