Patents by Inventor Derek Donohue

Derek Donohue 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).

  • Patent number: 7977422
    Abstract: The addition of a surfactant containing a thio functionality of the formula-S—, and specifically a polyether thioether surfactant to a rubber formulation results in a rubber compound having a glossy film on the outer, exposed surface.
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: July 12, 2011
    Inventors: Joseph Lanzarotta, Derek Donohue
  • Publication number: 20070282050
    Abstract: The addition of a surfactant containing a thio functionality of the formula-S—, and specifically a polyether thioether surfactant to a rubber formulation results in a rubber compound having a glossy film on the outer, exposed surface.
    Type: Application
    Filed: August 11, 2004
    Publication date: December 6, 2007
    Inventors: Joseph Lanzarotta, Derek Donohue