Polychelants
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 14, 2001
Issued Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Apr 7, 1989
priority date (Note) -
Expired
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Abstract
Invention is directed to polychelants and their metal chelates which are useful in diagnostic imaging. The polychelants comprise a plurality of macrocyclic chelant moieties, eg. DOTA residues, conjugated by thiourea, urea or glycinamide linkages to a backbone moiety through a donor atom.
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