Patents by Inventor Janet L. Zuffa

Janet L. Zuffa 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).

  • Polyester-polyurethane hybrid resin systems containing low levels of unsaturation having improved low profiling behavior
    Patent number: 5296544
    Abstract: Polyester-polyurethane hybrid resin molding compositions having low levels of unsaturation which are modified by the addition of a low profile additive to provide glass-reinforced articles that have improved surface profiles and improved processability compared to commercial low profile-modified unsaturated (non-hybrid) polyester resins.
    Type: Grant
    Filed: July 14, 1992
    Date of Patent: March 22, 1994
    Assignee: Cook Composites and Polymers
    Inventors: Michael S. Heise, Janet L. Zuffa