Patents by Inventor Joseph E. Bradshaw

Joseph E. Bradshaw has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Paramagnetic metalloporphyrins as contrast agents for magnetic resonance imaging
    Patent number: 5262532
    Abstract: Porphyrin-complex compounds useful as contrast agents in magnetic resonance imaging (MRI) having the formula ##STR1## where Y is a transition metal such as Fe.sup.III, Cr.sup.III, Mn.sup.III, Mn.sup.II and Cu.sup.II, X is a biologically well-tolerated metal complexing anion such as Cl.sup.-, CF.sub.3 SO.sub.3 or CF.sub.3 COO.sup.- and R is a nonionic water solubilizing moiety.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: November 16, 1993
    Assignee: E.R. Squibb & Sons, Inc.
    Inventors: Michael F. Tweedle, Lon J. Wilson, Joseph E. Bradshaw, Daniel W. Lee