Patents by Inventor Joseph David Korchnak

Joseph David Korchnak 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 dehydrogenation of ethylbenzene to styrene
    Patent number: 6096937
    Abstract: The present invention discloses a method and apparatus for dehydrogenating ethylbenzene into styrene which method and apparatus eliminate the need for multiple reactors and preheaters by providing a single compact reactor which utilizes the principle of ascending-heat thermal reactor by having an internal heat source such as gas heaters or electric elements.
    Type: Grant
    Filed: February 8, 1999
    Date of Patent: August 1, 2000
    Assignee: Fina Technology, Inc.
    Inventors: James R. Butler, Joseph David Korchnak