Patents by Inventor Fred W. Kopf

Fred W. Kopf 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).

  • Aromatics from dripolene
    Patent number: 4235701
    Abstract: In an olefin plant in which ethylene, propylene and butenes are prepared, a dripolene fraction is recovered, hydrogenated and a C.sub.6 -C.sub.7 hydrogenated hydrocarbon stream derived from such hydrogenated dripolene is aromatized in the presence of a hydrogen rich recycle stream and in the presence of a catalyst containing platinum and chloride on aluminum whereby the aromatics content is increased above the approximately 64% aromatics content of the hydrogenated C.sub.6 -C.sub.7 hydrocarbon stream. The aromatics are extracted from the liquid effluent from the aromatization zone.
    Type: Grant
    Filed: March 30, 1979
    Date of Patent: November 25, 1980
    Assignee: Atlantic Richfield Company
    Inventor: Fred W. Kopf