Patents by Inventor Leo Rheaume

Leo Rheaume 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).

  • Method for the hydroprocessing of hydrocarbons
    Patent number: 5300214
    Abstract: Hydroprocessing catalysts which comprise alumina and Group VIB and VIII metal components having a desired pore size/volume distribution and high surface area, i.e. above 330 m.sup.2 /g.
    Type: Grant
    Filed: October 26, 1992
    Date of Patent: April 5, 1994
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: John E. Creighton, Leo Rheaume
  • Hydroprocessing catalyst composition
    Patent number: 5192734
    Abstract: Hydroprocessing catalysts which comprise alumina and Group VIB and VIII metal components having a desired pore size/volume distribution and high surface area, i.e. above 330 m.sup.2 /g.
    Type: Grant
    Filed: October 25, 1991
    Date of Patent: March 9, 1993
    Assignee: W. R. Grace & Co.- Conn.
    Inventors: John E. Creighton, Leo Rheaume
  • Cracking catalyst/sulfur oxide gettering agent compositions
    Patent number: 4918036
    Abstract: Sulfur oxide gettering agents which comprise a metal sulfate, such as magnesium sulfate, are described. These getterin agents are used to reduce sulfur oxide emissions from a variety of processes and units, including fluid catalytic cracking (FCC) units.
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: April 17, 1990
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Leo A. Rheaume, Ronald E. Ritter