Patents by Inventor Timothy Alan Overway

Timothy Alan Overway 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).

  • Charge control agent
    Patent number: 7442481
    Abstract: A composition comprising a toner binder and a charge control agent comprising a sulfonation product of Solvent Blue 23, wherein from greater than 0 up to 30 mole % of the Solvent Blue 23 is sulfonated.
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: October 28, 2008
    Assignees: XSYS Print Solutions US LLC, Morimura Chemicals Ltd
    Inventors: Gary Don Ellis, Rhonda Sue Bartram, Edward William da Ponte, Toshihiko Oguchi, Timothy Alan Overway, Keiki Suganami