Patents by Inventor Yuan-Young Yan

Yuan-Young Yan 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).

  • Polymers functionalized with polyimine compounds
    Patent number: 8268933
    Abstract: A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing conjugated diene monomer by employing a lanthanide-based catalyst to form a reactive polymer, and (ii) reacting the reactive polymer with a polyimine compound.
    Type: Grant
    Filed: December 31, 2007
    Date of Patent: September 18, 2012
    Assignee: Bridgestone Corporation
    Inventors: Steven Luo, Yuan-Young Yan