Patents by Inventor Steven R. Ellsworth

Steven R. Ellsworth 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).

  • Nonthrombogenic articles having enhanced albumin affinity
    Patent number: 4530974
    Abstract: Articles having reduced thrombogenicity when in contact with blood products containing albumin and methods of their use are provided. The articles comprise at the surface of blood contact a water insoluble polymeric substrate material having covalently attached thereon aliphatic extensions of 14 to 20 carbon units. When exposed to blood the aliphatic chain extensions provide a hydrophobic binding site for albumin. The articles when implemented with whole blood or blood products selectively enhance albumin affinity binding to the exclusion of other blood components, and subsequently minimize thrombus formation.
    Type: Grant
    Filed: July 13, 1982
    Date of Patent: July 23, 1985
    Assignee: Board of Regents, The University of Texas System
    Inventors: Mark S. Munro, Alfred J. Quattrone, Steven R. Ellsworth, Robert C. Eberhart