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:
Oct. 14, 1997
Filed:
Dec. 15, 1995
John L Toner, Downingtown, PA (US);
David A Hilborn, Henrietta, NY (US);
Bruce J Murray, Walworth, NY (US);
Timothy Z Hossain, Dallas, TX (US);
Nycomed Imaging AS, Olso, NO;
Abstract
A compound of formula ##STR1## where the two R.sup.2 groups, taken together, represent the atoms necessary to complete a macrocyclic ring structure containing at least one heteroatom coordinating site and at least one alkylene group forming part of the ring structure; R.sup.3 represents hydrogen, alkyl, alkoxy, alkylthio, alkylamino, alkylformamido, aryl, aryloxy, heterocyclyl or a protein reactive group; and R.sup.4 represents hydrogen or a protein reactive group, provided that at least one of the R.sup.4 groups is a protein reactive group, and salts, complexes and protein conjugates thereof.