Patents by Inventor Alfred V. Kramer

Alfred V. Kramer 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).

  • Patent number: 5196515
    Abstract: A bifunctional ligand to compositions produced by reaction of the ligand with compounds containing an amino, thiolate or alcholate group, especially proteins, to chelates produced by complexing ligands with metal such as technetium and rhenium and to diagnostic and therapeutic uses of the complexes.
    Type: Grant
    Filed: September 6, 1991
    Date of Patent: March 23, 1993
    Assignee: The Johns Hopkins University
    Inventors: Susan Z. Lever, Kwamena E. Baidoo, Alfred V. Kramer, Hugh D. Burns
  • Patent number: 5095111
    Abstract: A bifunctional ligand to compositions produced by reaction of those ligand with compounds containing an amino, thiolate or alcholate group, especially proteins, to chelates produced by complexing ligand with metals such as technetium and rhenium and to diagnostic and therapeutic uses of said complexes.
    Type: Grant
    Filed: March 17, 1989
    Date of Patent: March 10, 1992
    Assignee: The John Hopkins University
    Inventors: Susan Z. Lever, Kwamena E. Baidoo, Alfred V. Kramer, Hugh D. Burns
  • Patent number: 4638051
    Abstract: The present invention relates to coordination compounds of technetium-99m and chelating agents (ligands) for synthesizing them. The technetium compounds are useful as diagnostic brain imaging radiopharmaceuticals.
    Type: Grant
    Filed: April 17, 1985
    Date of Patent: January 20, 1987
    Assignee: The Johns Hopkins University
    Inventors: Hugh D. Burns, Susan E. Zemyan, Leon A. Epps, Alfred V. Kramer, Robert F. Dannals