Patents by Inventor Rodney L. Michel

Rodney L. Michel 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).

  • Polycarbonate articles with photochromic properties
    Patent number: 6114437
    Abstract: Polychromic articles are manufactured by solvent casting polycarbonate resins previously mixed with a photochromic dye and evaporating the solvent. The films produced can be insert injection molded with polycarbonate substrates to obtain photochromic articles.
    Type: Grant
    Filed: February 4, 1998
    Date of Patent: September 5, 2000
    Assignee: General Electric Company
    Inventors: Michael W. Brown, Douglas G. Hamilton, Rodney L. Michel, John G. Skabardonis
  • Method of preparing polycarbonate-polysiloxane block copolymers
    Patent number: 5616674
    Abstract: Polycarbonate-polysiloxane block copolymers are prepared by interfacial polymerization technique in the presence or a phase transfer catalyst.
    Type: Grant
    Filed: September 20, 1995
    Date of Patent: April 1, 1997
    Assignee: General Electric Company
    Inventors: Rodney L. Michel, Paul D. Sybert, Gary C. Davis, William J. Swatos