Patents by Inventor Howard A. Liebman

Howard A. Liebman 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).

  • Method for the purification and isolation of blood clotting proteins using conformation specific antibodies
    Patent number: 6258938
    Abstract: A method of isolating a protein from a mixture containing the protein, the method including providing an antibody immobilized on a solid support, which antibody is reactive with the protein complexed with a ligand and substantially unreactive with the protein not complexed with the ligand; contacting the mixture, in the presence of the ligand, with the immobilized antibody to bind the protein, complexed with the ligand, to the immobilized antibody to form an immune complex; and contacting the immune complex with a compound having a binding affinity for the ligand higher than the binding affinity of the protein for the ligand, to release the protein from the immobilized antibody.
    Type: Grant
    Filed: August 18, 1992
    Date of Patent: July 10, 2001
    Assignee: NE Medical Center Hospital, Inc.
    Inventors: Bruce E. Furie, Barbara C. Furie, Howard A. Liebman, Richard M. Lewis