Patents by Inventor Timothy R. McDonel

Timothy R. McDonel 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).

  • Process for reduction of waste material during manufacture of acrylonitrile
    Patent number: 5466857
    Abstract: A process for the reduction in the amount of waste material generated during the manufacture of acrylonitrile comprising introducing an additional amount of oxygen containing gas, preferably air, in the substantial absence of any oxygenate compounds, into the upper portion of the fluid bed reactor to react with at least some of the unreacted ammonia to reduce the amount of unreacted ammonia present in the reactor effluent.
    Type: Grant
    Filed: August 10, 1994
    Date of Patent: November 14, 1995
    Assignee: The Standard Oil Company
    Inventors: Vincent G. Reiling, Jeffrey E. Rinker, Timothy R. McDonel, Joseph C. Sarna
  • Method for deagglomerating and re-exposing catalyst in a fluid bed reactor
    Patent number: 5124291
    Abstract: A fluid bed catalyst which has lost activity or fluidization quality through agglomeration, contamination, or a physical or chemical change on the surface of the catalyst is deagglomerated and/or its surface re-exposed, by contacting the fluidized catalyst with a high velocity gas sufficient to cause multiple collisions among the catalyst particles and thereby deagglomerating the particles and/or abrading the surface of the particles to expose fresh catalyst.
    Type: Grant
    Filed: November 15, 1990
    Date of Patent: June 23, 1992
    Assignee: The Standard Oil Company
    Inventors: Noel J. Bremer, Louis R. Trott, Timothy R. McDonel