Patents by Inventor Phillip L. Dahlstrom

Phillip L. Dahlstrom 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).

  • Hydrotreating of cracked naphtha
    Patent number: 5538930
    Abstract: A sulfided carbon support catalyst bearing (i) a non-noble Group VIII metal, (ii) a Group VI-B metal, and (iii) a metal of Group IA, II A, III-B, or the lanthanide Group of rare earths.
    Type: Grant
    Filed: March 17, 1995
    Date of Patent: July 23, 1996
    Assignee: Texaco Inc.
    Inventors: Chakka Sudhakar, Gerald G. Sandford, Phillip L. Dahlstrom, Mahendra S. Patel, Edwin L. Patmore
  • Hydrotreating of cracked naphtha
    Patent number: 5423976
    Abstract: Hydrodesulfurization of cracked naphtha, with minimum attendant hydrogenation of olefins, is effected over a sulfided carbon support catalyst bearing (i) a non-noble Group VIII metal, (ii) a Group VI-B metal, and (iii) a metal of Group IA, II A, III B, or the lanthanide Group of rare earths.
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: June 13, 1995
    Assignee: Texaco Inc.
    Inventors: Chakka Sudhakar, Gerald G. Sandford, Phillip L. Dahlstrom, Mahendra S. Patel, Edwin L. Patmore