Patents by Inventor Robert G. Sawitski, Jr.

Robert G. Sawitski, Jr. 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
  • Prepolymer formulations having improved oil compatibility
    Patent number: 6627699
    Abstract: Prepolymer formulations having improved oil compatibility are disclosed. The prepolymer formulations are fabricated with flexible polyether diol. The prepolymer formulations are useful, for example, as binder material for polyurethane foam crumb.
    Type: Grant
    Filed: August 28, 2001
    Date of Patent: September 30, 2003
    Assignee: Huntsman International LLC
    Inventors: Robert G. Sawitski, Jr., David R. MacFarland