Patents by Inventor Philippus Rudolf Heydenrich

Philippus Rudolf Heydenrich 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).

  • Acid treatment of a fischer-tropsch derived hydrocarbon stream
    Patent number: 8022108
    Abstract: Novel methods of treating a Fischer-Tropsch product stream with an acid are disclosed. Such methods are capable of removing contamination from the Fischer-Tropsch product stream such that plugging of the catalyst beds of a subsequent hydroprocessing step is substantially reduced.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: September 20, 2011
    Assignee: Chevron U.S.A. Inc.
    Inventors: Lucy M. Bull, Donald L. Kuehne, William L. Schinski, Philippus Rudolf Heydenrich, Richard O. Moore, Jr., Quintin John Beukes, Gianni Guilio Eligio Bacco Rodriquez