Patents by Inventor Peter A. Donner

Peter A. Donner 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).

  • Methods for recovery of tissue plasminogen activator
    Patent number: 4960702
    Abstract: Methods for recovering t-PA from a liquid medium are disclosed. The methods comprise contacting a liquid medium with at least one substrate capable of effecting a separation of intact t-PA from degraded t-PA thereafter recovering the intact t-PA free from other unrelated protein. The present invention also provides compounds produced by this method, compounds comprising intact one-chain t-PA and pharmaceutical compositions containing them and methods for using such compositions.
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: October 2, 1990
    Assignee: Codon
    Inventors: Craig Rice, Michael J. Morser, Charles Glaser, Peter A. Donner