Patents by Inventor Jeffery M. Hawkins

Jeffery M. Hawkins 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).

  • Lanthanide-based catalyst composition for producing cis-1,4-polydienes
    Patent number: 7008899
    Abstract: A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) a lanthanide compound, (b) an organoaluminum hydride, and (c) a tin halide compound.
    Type: Grant
    Filed: August 11, 2003
    Date of Patent: March 7, 2006
    Assignee: Bridgestone Corporation
    Inventors: Steven Luo, Michael W. Hayes, Jeffery M. Hawkins