Patents by Inventor James L. Schreiner

James L. Schreiner 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).

  • Purification of a hydrocarbon feedstock using a zeolite adsorbent
    Patent number: 5220099
    Abstract: A process for purifying linear paraffins in which a hydrocarbon stream containing linear paraffins contaminated with aromatics, sulfur-, nitrogen-, and oxygen-containing compounds, and color bodies, but essentially free of olefins, is contacted with a zeolitic solid adsorbent such as a NaX zeolite or zeolite MgY. After adsorption the zeolitic solid adsorbent is desorbed with an alkyl-substituted aromatic desorbent such as toluene.
    Type: Grant
    Filed: August 31, 1988
    Date of Patent: June 15, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: James L. Schreiner, Robert A. Britton, Charles T. Dickson, Frederick A. Pehler, Jr.