Patents by Inventor Yahya Bouquoyoue

Yahya Bouquoyoue 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 supplying granulated material to a polymerisation reactor
    Patent number: 8362160
    Abstract: The present invention relates to methods for delivering granulated material to a reactor for use in the polymerization of alpha-olefin comprising the steps of: providing a first conduit having a granulated material inlet, the conduit being operably connected to a pocket ball valve comprising at least one pocket, said pocket ball valve being operably connected to a second conduit, said second conduit being operably connected to a polymerization reactor; introducing a granulated material to the first conduit through said inlet; metering the granulated material through the pocket ball valve; and passing said material through the second conduit to the polymerization reactor. The present invention also relates to polyolefin production processes and polyolefin producing units.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: January 29, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Yahya Bouquoyoue, Claude Queyrel
  • Method for Supplying Granulated Material to a Polymerisation Reactor
    Publication number: 20110196119
    Abstract: The present invention relates to methods for delivering granulated material to a reactor for use in the polymerization of alpha-olefin comprising the steps of: providing a first conduit having a granulated material inlet, the conduit being operably connected to a pocket ball valve comprising at least one pocket, said pocket ball valve being operably connected to a second conduit, said second conduit being operably connected to a polymerization reactor; introducing a granulated material to the first conduit through said inlet; metering the granulated material through the pocket ball valve; and passing said material through the second conduit to the polymerization reactor. The present invention also relates to polyolefin production processes and polyolefin producing units.
    Type: Application
    Filed: September 26, 2008
    Publication date: August 11, 2011
    Inventors: Yahya Bouquoyoue, Claude Queyrel