Optically pure and enriched isomers of chelating ligands and...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C540S145000

Reexamination Certificate

active

08048906

ABSTRACT:
Organic chelating ligands, organic chelating ligand precursors, and metal chelates are disclosed. Methods for synthesizing the same are also described, including methods for preparing optically-enriched or optically-pure compositions of the same.

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