Patents by Inventor Paul N. Hamilton

Paul N. Hamilton 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).

  • CURED RUBBER NETWORK WITH COVALENT AND HYDROGEN-BONDED CROSSLINKS
    Publication number: 20220403056
    Abstract: A vulcanizate is provided that includes a crosslinked network of elastomeric polymer having hydrogen bonds and covalent bonds. A method for preparing a functionalized elastomeric polymer and a method for preparing the vulcanizate are also provided.
    Type: Application
    Filed: November 16, 2020
    Publication date: December 22, 2022
    Inventors: Erin SHEEPWASH, Walter A. SALAMANT, Paul N. HAMILTON
  • Pneumatic tire with improved bead filler
    Patent number: 10865292
    Abstract: A vulcanizable composition for preparing bead filler, the composition comprising a vulcanized rubber; and a vinyl aromatic-containing block copolymer compound, where the vinyl aromatic-containing copolymer is defined by the formula II d-Vo-D-V?-???II where each V is independently a polyvinyl aromatic block, D is a polydiene block, w is a hydrogen atom, a functional group, or a polymeric segment or block, and where d is a polydiene block, and where the overall vinyl content of the block copolymer is greater than 65%.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: December 15, 2020
    Assignees: Bridgestone Americas Tire Operations, LLC, Firestone Polymers, LLC
    Inventors: Paul N. Hamilton, Amy M. Randall, Terrence E. Hogan, Benjamin C. Galizio, Steven R. Reynolds