Patents by Inventor David E. Tyminski

David E. Tyminski 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).

  • Monodisperse spherical toner particles containing aliphatic amides or aliphatic acids
    Patent number: 6156473
    Abstract: A nonconductive toner composition comprising monodisperse spherical particles includes a binder polymer, a charge control agent, and an aliphatic acid or aliphatic amide uniformly distributed in the particles and present in an amount of 2.5 to 30% by weight of the toner composition.
    Type: Grant
    Filed: June 12, 1998
    Date of Patent: December 5, 2000
    Assignee: Eastman Kodak Company
    Inventors: Dinesh Tyagi, David E. Tyminski, Leo G. Proctor, Domenic Santilli