Patents by Inventor Craig Michael Bartelsen

Craig Michael Bartelsen 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).

  • Emulsion aggregation toner formulation
    Patent number: 8895220
    Abstract: An emulsion aggregation toner formulation for electrophotography and a method for preparation thereof. The emulsion aggregation toner formulation includes a polyester resin emulsion formed using an extruded polyester binder resin having a broad molecular weight distribution. The extruded polyester binder resin is formed using a plurality of polyester binder resins. Further, the emulsion aggregation toner formulation comprises at least one colorant dispersion and a wax dispersion.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: November 25, 2014
    Assignee: Lexmark International, Inc.
    Inventors: Michael James Bensing, Craig Michael Bartelsen, John Joseph Kraseski, Bryan Patrick Livengood, Jing X. Sun, Vincent Wen-Hwa Ting
  • Emulsion Aggregation Toner Formulation
    Publication number: 20130344434
    Abstract: An emulsion aggregation toner formulation for electrophotography and a method for preparation thereof. The emulsion aggregation toner formulation includes a polyester resin emulsion formed using an extruded polyester binder resin having a broad molecular weight distribution. The extruded polyester binder resin is formed using a plurality of polyester binder resins. Further, the emulsion aggregation toner formulation comprises at least one colorant dispersion and a wax dispersion.
    Type: Application
    Filed: August 29, 2013
    Publication date: December 26, 2013
    Applicant: Lexmark International, Inc.
    Inventors: Michael James Bensing, Craig Michael Bartelsen, John Joseph Kraseski, Bryan Patrick Livengood, Jing X. Sun, Vincent Wen-Hwa Ting