Patents by Inventor Willis L. Warner

Willis L. Warner 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).

  • Container for platelet storage
    Patent number: 4280497
    Abstract: A plastic bag containing a platelet concentrate is disclosed wherein the viability of platelets remains at a high level even after storage at 22.degree. C. for up to five days. The bag in which the platelet concentrate is stored comprises walls of polyvinyl chloride film containing tri 2-ethylhexyl trimellitate as plasticizer together with epoxidized vegetable oils for heat stabilization of the film. The film may also contain metal soaps in preferred formulations.
    Type: Grant
    Filed: October 9, 1979
    Date of Patent: July 28, 1981
    Assignee: Cutter Laboratories, Inc.
    Inventors: Willis L. Warner, Edward J. Nelson
  • Fluid flow valve
    Patent number: 4195632
    Abstract: An improvement in a fluid flow valve is disclosed. The valve comprises a combination of flexible tubing joined to a tubular member having a membrane closing off the passageway in the tubular member. A pointed spike having at least three radially projecting ribs extending longitudinally is located within the tubing adjacent the membrane and is movable by external manipulation of the tubing whereby the spike ruptures the membrane and creates a passageway permitting fluid to flow freely through the tubular member and adjoining tubing.
    Type: Grant
    Filed: May 3, 1978
    Date of Patent: April 1, 1980
    Assignee: Cutter Laboratories, Inc.
    Inventors: Wendell R. Parker, Mark H. Silverman, Willis L. Warner
  • Stabilized immune serum globulin
    Patent number: 4186192
    Abstract: Composition comprising an aqueous solution of immune serum globulin and maltose, the amount of maltose being sufficient to inhibit "shedding" of the globulin with time.
    Type: Grant
    Filed: December 18, 1978
    Date of Patent: January 29, 1980
    Assignee: Cutter Laboratories, Inc.
    Inventors: John L. Lundblad, Willis L. Warner, Peter M. Fernandes