Patent ID: 7807140
Filing Date: 2010-10-05
Classification: A61K

Abstract:
1. A metal chelating polymer having formula: and salts thereof, where: n indicates the average number of repeating units in the polymer and where the degree of polymerization (DP) ranges from 8-100; D is selected from C(R each Z R1 and R R where the A ring is selected from: p and s are independently 0, 1, 2, or 3; q and r are independently 1, 2, or 3; R, R′, R″, R′″ are independently selected from the group consisting of hydrogen, halide, alkyl, alkenyl, alkynyl, aryl, alkoxy, aryloxy, thioalkoxy, ether, thioether, heterocyclic, hydroxyl, carboxyl, ester, amino, and amide groups, each of which is optionally substituted with one or more substituents selected from halide, amine, hydroxyl, alkyl, alkenyl, alkynyl, aryl, alkoxy, or aryloxy groups; R R4 is a group other than a chelating group selected from a spacer group, a reactive functional group, a targeting group, a solubilizing group, a labeling group, an R