Patents by Inventor David D. Pifer

David D. Pifer 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).

  • Platelet cryopreservation
    Patent number: 4940581
    Abstract: A method for preserving blood platelets by freezing the platelets in contact with a cryoprotectant solution containing a sufficient quantity of prostacyclin for the substantially complete inhibition of platelet function and having a pH which promotes the preservation of the platelets and reconstituting the platelets for infusion.
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: July 10, 1990
    Assignee: The University of Tennessee Research Corporation
    Inventors: James M. Mason, David D. Pifer
  • Platelet cyropreservation
    Patent number: 4764463
    Abstract: A method for preserving blood platelets by freezing the platelets in contact with a cryoprotectant solution containing a sufficient quantity of prostacyclin for the substantially complete inhibition of platelet function and having a pH which promotes the preservation of the platelets.
    Type: Grant
    Filed: October 30, 1986
    Date of Patent: August 16, 1988
    Assignee: The University of Tennessee Research Corporation
    Inventors: James M. Mason, David D. Pifer