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Synthesis of 4-substituted-trans-1,2-diaminocyclohexyl polyaminocarboxylate metal chelating agents for the preparation of stable radiometal antibody immunoconjugates for therapy and spect and pet imaging

United States Patent

June 3, 1997
View the Complete Patent at the US Patent & Trademark Office
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Cyclohexyl chelating agents useful in forming antibody-metal conjugates useful for diagnostic and therapeutic purposes. New compounds and processes of forming these compounds are disclosed including 4-haloacetamido-trans-1,2-diaminocyclohexyl polyaminocarboxylate and 4-isothiocyanato-trans-1,2-diamino cyclohexane-N, N, N', N'-tetra acetic acid.
Mease; Ronnie C. (Coram, NY), Kolsky; Kathryn L. (Miller Pl., NY), Mausner; Leonard F. (Stony Brook, NY), Srivastava; Suresh C. (Setauket, NY)
08/ 132,201
October 6, 1993
This invention was made with Government support under contract number DE-AC02-76CH00016, between the U.S. Department of Energy and Associated Universities, Inc. The Government has certain rights in the invention.