Patents by Inventor Philip Garrison

Philip Garrison 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).

  • Polyethylene process
    Publication number: 20070167585
    Abstract: An ethylene polymerization process is disclosed. Ethylene is polymerized in two slurry reaction zones with a C6-C10 alpha-olefin in the presence of a single-site catalyst capable of making a high molecular weight polyolefin. The process yields medium density and linear low density polyethylene having a bimodal molecular weight distribution and a melt index from about 0.10 to about 0.80. Films from the polyethylene have superior impact properties.
    Type: Application
    Filed: January 17, 2006
    Publication date: July 19, 2007
    Inventors: Philip Garrison, Charles Holland, Mark Mack, Linda Winslow, Everett Lewis, James Clark, Leonard Cribbs, Bradley Etherton, Jean Merrick-Mack, Paula Nygard
  • Polymer resins with improved environmental stress crack resistance
    Publication number: 20050288443
    Abstract: Resins comprising a relatively high-density, low-molecular-weight polyethylene component and a relatively low-density, high-molecular-weight ethylene copolymer component and methods of making the resins are disclosed. The rheological polydispersity of the high-density component exceeds that of either the resin or the low-density component. The resins are valuable for making films, sheets, coatings, pipes, fibers, and molded articles having a favorable balance of good stiffness and excellent environmental stress crack resistance.
    Type: Application
    Filed: June 29, 2004
    Publication date: December 29, 2005
    Inventors: Harilaos Mavridis, Sameer Mehta, Mark Mack, Philip Garrison, Michael Lynch