Patents by Inventor Medora M. Hardy

Medora M. Hardy 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 of increasing yield of t-PA in cell culture
    Patent number: 4957863
    Abstract: A method is disclosed for increasing the yield of t-PA in culture of mammalian cells comprising introducing antibodies to the t-PA of said cells into the cell culture nutrient medium, allowing the cells to grow, and then recovering t-PA from the t-PA-antibody complex thus found in the conditioned medium by exchanging antibody in the complex for t-PA antibody immobilized on an inert support.
    Type: Grant
    Filed: January 26, 1988
    Date of Patent: September 18, 1990
    Assignee: Monsanto Company
    Inventors: Michael A. Sanzo, Medora M. Hardy, Joseph Feder