Patents by Inventor Timothy P. Pepper

Timothy P. Pepper 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).

  • Resin compositions
    Patent number: 9187616
    Abstract: Compositions comprising unsaturated resin and catalyst comprising transition metal, such as a complex of ligands and transition metals. The compositions may further comprise filler or rheology modifiers.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: November 17, 2015
    Assignee: ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC
    Inventors: Jie Hu, Robin F Righettini, Timothy P Pepper
  • Resin Compositions
    Publication number: 20140121313
    Abstract: Compositions comprising unsaturated resin and catalyst comprising transition metal, such as a complex of ligands and transition metals. The compositions may further comprise filler or rheology modifiers.
    Type: Application
    Filed: October 28, 2013
    Publication date: May 1, 2014
    Inventors: Jie Hu, Robin F. Righettini, Timothy P. Pepper
  • Styrene soluble unsatured polyester resin from polyethylene terephthalate
    Patent number: 5380793
    Abstract: This invention is a low cost styrene-soluble unsaturated polyester resin made using recycled or virgin polyethylene terephthalate. The PET is first glycolyzed using inexpensive glycols and then reacted with maleic anhydride and dicyclopentadiene, forming polyesters containing cyclopentadiene added by Diels-Alder reaction and/or norbornyl-terminated polyesters.
    Type: Grant
    Filed: July 13, 1993
    Date of Patent: January 10, 1995
    Assignee: Ashland Oil, Inc.
    Inventor: Timothy P. Pepper