Patents Represented by Attorney E. O. Plazzo

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  • Toner processes
    Patent number: 7282314
    Abstract: A toner process involving the heating a mixture of an acicular magnetite dispersion, a colorant dispersion, a wax dispersion, a first latex containing a crosslinked resin, and a second latex containing a resin free of crosslinking in the presence of a coagulant to provide aggregates, stabilizing the aggregates with an organic complexing compound salt dissolved in a base, and further heating the aggregates to provide coalesced toner particles.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: October 16, 2007
    Assignee: Xerox Corporation
    Inventors: Raj D. Patel, Allan K. Chen, Cuong Vong