Diamine acid fluorescent chelates
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United States of America Patent
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Feb 21, 1984
Issued Date -
N/A
app pub date -
May 5, 1981
filing date -
Sep 10, 1979
priority date (Note) -
Expired
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Abstract
Species-linked diamine triacetic acids of the formula ##STR1## wherein T is an organic species containing at least one amine, hydroxyl, or thio functional group, L is the residue of at least one of those functional groups and R is a two or more atom long covalent bridge, are disclosed. Methods for their preparation, for the preparation of metal chelates from them and for the use of the chelates are also disclosed. In a preferred embodiment, the metal ions employed in the formation of the chelates are rare earth metal ions capable of forming fluorescent chelates which can in turn be employed in fluoroassay techniques.
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