Patents by Inventor Mark R. Cragun

Mark R. Cragun 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).

  • Alkylation system with catalyst transfer
    Patent number: 7972563
    Abstract: A system for alkylating hydrocarbons which includes an improved method of safely handling alkylation catalyst is disclosed. The process includes passing the alkylation catalyst from a settler vessel to a catalyst receiving vessel, via a catalyst cooler, for containment therein in the presence of a condensible gas. Also disclosed is a method for controlling the pressure in the catalyst receiving vessel by controlling the rate of removal of vapors.
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: July 5, 2011
    Assignee: UOP LLC
    Inventors: Keith W. Hovis, Khalid Iqbal, Mark R. Cragun
  • ALKYLATION SYSTEM WITH CATALYST TRANSFER
    Publication number: 20100129265
    Abstract: A system for alkylating hydrocarbons which includes an improved method of safely handling alkylation catalyst is disclosed. The process includes passing the alkylation catalyst from a settler vessel to a catalyst receiving vessel, via a catalyst cooler, for containment therein in the presence of a condensible gas. Also disclosed is a method for controlling the pressure in the catalyst receiving vessel by controlling the rate of removal of vapors.
    Type: Application
    Filed: January 27, 2010
    Publication date: May 27, 2010
    Applicant: UOP LLC
    Inventors: Keith W. Hovis, Khalid Iqbal, Mark R. Cragun
  • Alkylation process with catalyst transfer
    Patent number: 7678957
    Abstract: A system and/or process for alkylating hydrocarbons which includes an improved method of safely handling alkylation catalyst is disclosed. The process includes passing the alkylation catalyst from a settler vessel to a catalyst receiving vessel, via a catalyst cooler, for containment therein in the presence of a condensible gas. Also disclosed is a method for controlling the pressure in the catalyst receiving vessel by controlling the rate of removal of vapors.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: March 16, 2010
    Assignee: UOP LLC
    Inventors: Keith W. Hovis, Khalid Iqbal, Mark R. Cragun