Patents by Inventor L. Raymond Berkebile

L. Raymond Berkebile 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 for making therapeutic enzyme compositions
    Patent number: 4286056
    Abstract: This is an improved method for producing activated prothrombin complex concentrate which comprises controlling the degree of activation by determining the activation state of the starting material and then varying at least one of the activation conditions in accordance with analyses of the progress of activation of the starting material to arrive at a predetermined activation level.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: August 25, 1981
    Assignee: Baxter Travenol Laboratories, Inc.
    Inventors: Thomas J. Andary, L. Raymond Berkebile, William R. Thomas, Daphne C. Tse