Patents by Inventor Kenneth K. Kuhnle

Kenneth K. Kuhnle 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).

  • Process for separating durene from substituted benzene hydrocarbons
    Patent number: 5223589
    Abstract: The separation of durene in high purity from coal tar or petroleum fractions by an adsorptive chromatographic process and liquid phase with lithium-exchanged X zeolite as the adsorbent and liquid aromatic desorbents.
    Type: Grant
    Filed: April 22, 1992
    Date of Patent: June 29, 1993
    Assignee: UOP
    Inventors: Santi Kulprathipanja, Kenneth K. Kuhnle, Marjorie S. Patton