Patents by Inventor Tina M. Engel

Tina M. Engel 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).

  • Glassy carbon in separation processes
    Patent number: 5431821
    Abstract: A separation process includes producing low temperature glassy carbon from an aromatic oligomeric precursor with acetylene groups and using the resultant glassy carbon as the stationary phase in a separation process. Glassy carbon with preselected selectivity and retention characteristics can be generated by controlling the temperature of which the glassy carbon is processed.
    Type: Grant
    Filed: February 5, 1993
    Date of Patent: July 11, 1995
    Assignee: The Ohio State University
    Inventors: Susan V. Olesik, Matthew R. Callstrom, Tina M. Engel