Patents by Inventor William Roy Gustafson

William Roy Gustafson 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).

  • Patent number: 4028227
    Abstract: Shaped catalyst particles having a polylobal cross-section are utilized in hydrotreating a petroleum residuum to obtain a desulfurized product. The catalyst particles have a surface area greater than 150 m.sup.2 /g and a catalyst pore volume of 0.35-0.85 cc/g resulting from a major portion of pores of diameters in the range 40-90A.
    Type: Grant
    Filed: April 5, 1976
    Date of Patent: June 7, 1977
    Assignee: American Cyanamid Company
    Inventor: William Roy Gustafson
  • Patent number: 3990964
    Abstract: There is disclosed a hydrotreating process for petroleum distillate which comprises contacting the distillate with catalyst particles of special shape characteristics in the presence of hydrogen at elevated temperature and pressure.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: November 9, 1976
    Assignee: American Cyanamid Company
    Inventor: William Roy Gustafson
  • Patent number: 3966644
    Abstract: Shaped catalyst particles are described which are particularly useful in hydrocarbon conversion processes and, in particular, in processes which are influenced by mass transfer such as the trickle bed hydrogenation process and hydrotreating of residuum.
    Type: Grant
    Filed: September 24, 1974
    Date of Patent: June 29, 1976
    Assignee: American Cyanamid Company
    Inventor: William Roy Gustafson