Patents Represented by Attorney Rothwell, Pigg, Ernst & Manbeck, P.C.
  • Patent number: 7767722
    Abstract: Vulcanized rubber is devulcanized by contacting the vulcanized rubber with a terpentine liquid in a reaction mixture in the absence of an alkali metal.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: August 3, 2010
    Assignee: Green Source Energy LLC
    Inventors: Liang-tseng Fan, Mohammad Reza Shafie