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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

*** EXPIRED ***
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.