Patents by Inventor Gregory A. Pickrell

Gregory A. Pickrell 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).

  • Silicone surfactant for use in polyurethane foams prepared using vegetable oil based polyols
    Patent number: 9587068
    Abstract: Silicone surfactants for use in polyurethane foams prepared using natural oils based polyols comprise silicone copolymers possessing alkyl and polyalkylene oxide polyether pendants. The silicone surfactants yield foams having improved physical properties as compared to other surfactant compositions when used in vegetable oil based urethane foams.
    Type: Grant
    Filed: May 11, 2009
    Date of Patent: March 7, 2017
    Assignee: Momentive Performance Materials Inc.
    Inventors: Ladislau Heisler, Gregory A. Pickrell, Lee F. Lawler
  • SILICONE SURFACTANT FOR USE IN POLYURETHANE FOAMS PREPARED USING VEGETABLE OIL BASED POLYOLS
    Publication number: 20100286295
    Abstract: Silicone surfactants for use in polyurethane foams prepared using natural oils based polyols comprise silicone copolymers possessing alkyl and polyalkylene oxide polyether pendants. The silicone surfactants yield foams having improved physical properties as compared to other surfactant compositions when used in vegetable oil based urethane foams.
    Type: Application
    Filed: May 11, 2009
    Publication date: November 11, 2010
    Inventors: Ladislau Heisler, Gregory A. Pickrell, Lee F. Lawler
  • Viscoelastic polyurethane foam and process for its manufacture
    Publication number: 20070293594
    Abstract: The present invention provides a viscoelastic polyurethane foam and a process for the manufacture of such foam. The foam-forming composition of the present invention utilizes a cell opener that inhibits or reduces foam shrinkage that is detrimental to viscoelastic polyurethane foam properties.
    Type: Application
    Filed: June 15, 2006
    Publication date: December 20, 2007
    Inventors: Ladislau Heisler, Gregory A. Pickrell, Lee F. Lawler, Jolene C. Graham