Patents by Inventor Jackie B. Parker

Jackie B. Parker 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).

  • Developer
    Patent number: 7485400
    Abstract: A developer includes a carrier and a toner, wherein the toner contains toner particles of at least one binder, at least one colorant, and external additives, wherein the developer has a trimmer clogging value in relation to toner triboelectric charge and toner cohesion expressed according to the equation (?0.80+0.039×(% toner cohesion)+0.026×(toner triboelectric charge) (?C/g)) of less than or equal to about 3.2.
    Type: Grant
    Filed: April 5, 2006
    Date of Patent: February 3, 2009
    Assignee: Xerox Corporation
    Inventors: Richard P. N. Veregin, Cuong Vong, Vladislav Skorokhod, Jackie B. Parker, David J. Sanders
  • Coated carrier
    Patent number: 7374849
    Abstract: A carrier comprised of a core, and thereover a polymer coating containing antimony tin oxide with an average diameter of from about 5 to about 90 nanometers.
    Type: Grant
    Filed: January 26, 2005
    Date of Patent: May 20, 2008
    Assignee: Xerox Corporation
    Inventors: Vladislav Skorokhod, Maria N V. McDougall, Richard P N. Veregin, Cuong Vong, Jackie B. Parker
  • EXTERNAL ADDITIVE COMPOSITION AND PROCESS
    Publication number: 20070254230
    Abstract: A process for toner preparation includes forming toner particles by mixing an emuslion comprising at least binder resin and a colorant, aggregating the toner particles, and blending external additives with the toner particles in a blender to form a toner, wherein the blender has a blend intensity of from about 90.5 to about 100.5 W/lb, a specific blend energy of from about 20.3 to about 35.3 W-h/lb and a blender loading density of from about 0.25 to about 0.55 lb/L.
    Type: Application
    Filed: June 26, 2006
    Publication date: November 1, 2007
    Applicant: XEROX CORPORATION
    Inventors: Juan A. Morales-Tirado, Daniel A. Harrington, William H. Hollenbaugh, Vladislav Skorokhod, Wafa F. Bashir, Jackie B. Parker, Robert E. Grace, James M. Chappell, Karen A. Moffat, Richard P.N. Veregin, Cuong Vong
  • Toner processes
    Patent number: 7097954
    Abstract: A toner process comprising heating a mixture of a latex and a colorant dispersion in the presence of an aggregating agent, and subsequently adding in an amount of at least about 4 weight percent alumina particles, and optionally which particles primarily function as a charge enhancing additive.
    Type: Grant
    Filed: January 28, 2004
    Date of Patent: August 29, 2006
    Assignee: Xerox Corporation
    Inventors: Michael S. Hawkins, Vladislav Skorokhod, Richard P. N. Veregin, Jackie B. Parker, Eric M. Strohm