Patents by Inventor Edgar Peter Hentsch

Edgar Peter Hentsch 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).

  • Processes and apparatus for polymer finishing and packaging
    Patent number: 8562915
    Abstract: Provided are apparatus and methods relating to the finishing line of a continuous solution polymerization plant. In one aspect, an apparatus includes a pelletizer having cooling liquid, e.g., water or aqueous solution, into which is added a pelletization aid. In another aspect, the apparatus comprises means to remove residual polymer particles from the pelletizer cooling liquid. In a further aspect, the apparatus comprises conduits of at least 50 m in length for carrying propellant cooling liquid from the pelletizer to a drying apparatus. The residence time of the pellets in the cooling liquid may be 10 seconds or more. In a further aspect, a drying apparatus is provided for the pellets which comprises first and second drying zones. In a further aspect, a pneumatic conveyor is provided for carrying pellets to a packaging apparatus. In a further aspect, a packaging apparatus is provided comprising a blender silo.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: October 22, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Richard Cheng-Ming Yeh, Vetkav Rajagopalan Eswaran, Edgar Peter Hentsch, Oscar Kearney Broussard, III
  • Processes And Apparatus For Polymer Finishing And Packaging
    Publication number: 20110172382
    Abstract: Provided are apparatus and methods relating to the finishing line of a continuous solution polymerization plant. In one aspect, an apparatus includes a pelletizer having cooling liquid, e.g., water or aqueous solution, into which is added a pelletization aid. In another aspect, the apparatus comprises means to remove residual polymer particles from the pelletizer cooling liquid. In a further aspect, the apparatus comprises conduits of at least 50 m in length for carrying propellant cooling liquid from the pelletizer to a drying apparatus. The residence time of the pellets in the cooling liquid may be 10 seconds or more. In a further aspect, a drying apparatus is provided for the pellets which comprises first and second drying zones. In a further aspect, a pneumatic conveyor is provided for carrying pellets to a packaging apparatus. In a further aspect, a packaging apparatus is provided comprising a blender silo.
    Type: Application
    Filed: December 17, 2010
    Publication date: July 14, 2011
    Inventors: Richard Cheng-Ming Yeh, Vetkav Rajagopalan Eswaran, Edgar Peter Hentsch, Oscar Kearney Broussard, III