Patents by Inventor Karen Kohlmann

Karen Kohlmann 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 derivatization of cellulosic stationary phase
    Patent number: 5808010
    Abstract: A solid sorbent material comprising cellulose which has been modified by hydrolysis with a cellulase enzyme for a duration sufficient to increase the protein adsorption capacity of the solid sorbent material and methods for preparing the sorbent material. Methods for purifying a protein include passing a liquid medium containing the protein over the solid sorbent material are also included.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: September 15, 1998
    Assignee: Purdue Research Foundation
    Inventors: Michael Ladisch, Christine Ladisch, Karen Kohlmann, Ajoy Velayudhan, Richard Hendrickson, Paul Westgate, Jiyin Liu