Patents by Inventor Robert L. Barks

Robert L. Barks 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).

  • Catalyst composition for oligomerization of olefins
    Patent number: 4948768
    Abstract: A composition comprises a physical mixture of (i) an oxide of molybdenum and/or tungsten supported by a silica-containing material and (ii) a pillared interlayered clay. This composition is used as catalyst in the conversion of C.sub.2 -C.sub.4 monolefins to c.sub.5 -C.sub.12 hydrocarbons.
    Type: Grant
    Filed: July 20, 1989
    Date of Patent: August 14, 1990
    Assignee: Phillips Petroleum Company
    Inventors: Simon G. Kukes, Jesse R. Harris, Robert L. Barks
  • Portable shower
    Patent number: D244135
    Type: Grant
    Filed: December 10, 1975
    Date of Patent: April 26, 1977
    Inventor: Robert L. Barks