Patents by Inventor Timothy A. Overway

Timothy A. 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
    Publication number: 20050238983
    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: Application
    Filed: April 27, 2004
    Publication date: October 27, 2005
    Inventors: Gary Ellis, Rhonda Bartram, Edward da Ponte, Toshihiko Oguchi, Timothy Overway, Keiki Suganami
  • Pigment flushing
    Patent number: 4340431
    Abstract: A method for transferring an organic pigment from an aqueous pulp of the pigment to a water-immiscible organic vehicle. This method comprising mixing the aqueous pulp and vehicle with a petroleum sulfonate flushing aid and at least one flushing aid selected from the class consisting of sulfonated sperm oil, sulfated sperm oil, and mixtures thereof until a major portion of the water present in said pulp separates.
    Type: Grant
    Filed: November 10, 1980
    Date of Patent: July 20, 1982
    Assignee: BASF Wyandotte Corporation
    Inventors: Manohar L. Arora, Timothy A. Overway, Thomas E. Foye