Patents by Inventor William R. Gustafson

William R. 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: 5071539
    Abstract: A catalytic composition for use in fluid catalytic cracking has an effective heat capacity of at least about 0.29 BTU/lb. .degree.F. over the range from 950.degree. F. to 1300.degree. F. The composition may include microspheres containing in situ crystallized Y-faujasite and fluidizable particles consisting essentially of dimagnesium borate. The catalytic composition may include a heat retention component selected from the group consisting of dimagnesium borate, aluminum borate, magnesium tetraborate, magnesium orthoborate, lithim aluminum borate, lithium magnesium borate, lithium aluminum silicate, and lithium aluminate.
    Type: Grant
    Filed: August 30, 1990
    Date of Patent: December 10, 1991
    Assignee: Engelhard Corporation
    Inventors: Chi-Mi T. Hayward, Barry K. Speronello, William R. Gustafson, Gerald S. Koermer
  • Patent number: RE30155
    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: November 3, 1978
    Date of Patent: November 20, 1979
    Assignee: American Cyanamid Company
    Inventor: William R. Gustafson