Patents by Inventor Roger Hennington

Roger Hennington 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).

  • Cure rebond binder
    Patent number: 8501828
    Abstract: The present invention provides processes for producing re-bonded polyurethane foam constructs that are useful in applications such as carpet underlayments. According to the invention, a tertiary amine is employed as a catalyst either alone, or preferably in combination with other catalysts in a binder which comprises an organic isocyanate and a polyol. Inclusion of a tertiary amine as a catalyst dramatically increases production throughput.
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: August 6, 2013
    Assignee: Huntsman Petrochemical LLC
    Inventors: Roger Hennington, Donald H. Ridgway, Robert A. Grigsby, Jr., Robert G. Sawitski, Jr., Jennifer K. Pratt
  • Cure rebond binder
    Publication number: 20060035990
    Abstract: The present invention provides processes for producing re-bonded polyurethane foam constructs that are useful in applications such as carpet underlayments. According to the invention, a tertiary amine is employed as a catalyst either alone, or preferably in combination with other catalysts in a binder which comprises an organic isocyanate and a polyol. Inclusion of a tertiary amine as a catalyst dramatically increases production throughput.
    Type: Application
    Filed: August 11, 2005
    Publication date: February 16, 2006
    Applicant: Huntsman Petrochemical Corporation
    Inventors: Roger Hennington, Donald Ridgway, Robert Grigsby, Robert Sawitski, Jennifer Pratt