Patents by Inventor Daryl Vanbesien

Daryl Vanbesien 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).

  • Toner processes
    Patent number: 6562541
    Abstract: A process for the preparation of toner by, for example, mixing a latex with a colorant mixture comprised of colorant, an ionic surfactant, and a polytetrafluoroethylene; adding a coagulant; heating the resulting mixture below about the glass transition temperature (Tg) of the latex resin; adding a stabilizer; heating above about the Tg of the latex resin; and isolating the toner.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: May 13, 2003
    Assignee: Xerox Corporation
    Inventors: Daryl Vanbesien, Raj D. Patel, Michael A. Hopper, Stephan V. Drappel
  • Toner coagulant processes
    Publication number: 20030073024
    Abstract: A process for the preparation of toner by, for example, mixing a colorant, a latex, a wax and a dual coagulant mixture comprising water solubilized silica with an alumina coating referred to as aluminized silica and a polyaluminum chloride to provide, for example, a toner composition of different gloss levels when fused.
    Type: Application
    Filed: October 15, 2001
    Publication date: April 17, 2003
    Applicant: Xerox Corporation
    Inventors: Daryl Vanbesien, Raj D. Patel, Michael A. Hopper, David J. Sanders, Kurt I. Halfyard, Danielle C. Boils
  • TONER PROCESSES
    Publication number: 20030059704
    Abstract: A process for the preparation of toner by, for example, mixing a latex with a colorant mixture comprised of colorant, an ionic surfactant, and a polytetrafluoroethylene; adding a coagulant; heating the resulting mixture below about the glass transition temperature (Tg) of the latex resin; adding a stabilizer; heating above about the Tg of the latex resin; and isolating the toner.
    Type: Application
    Filed: September 24, 2001
    Publication date: March 27, 2003
    Applicant: Xerox Corporation
    Inventors: Daryl Vanbesien, Raj D. Patel, Michael A. Hopper, Stephen V. Darappel
  • Toner coagulant processes
    Patent number: 6416920
    Abstract: A process for the preparation of toner by, for example, mixing a colorant, a latex, optionally a wax and a water solubilized silica with an alumina coating or an aluminized silica as a coagulant.
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: July 9, 2002
    Assignee: Xerox Corporation
    Inventors: Michael A. Hopper, Raj D. Patel, Daryl Vanbesien