Patents by Inventor Jonathan Lisk

Jonathan Lisk 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).

  • Phase change ink pigment dispersion process
    Patent number: 9157002
    Abstract: A process for preparing a pigment dispersion including melting a phase change ink carrier and an optional dispersant at a temperature of from about 100° C. to about 170° C. in a jacketed vessel comprising a jacket surrounding an immersion mill or basket mill attachment and a dispersion blade attachment disposed within the jacketed vessel; mixing the melted phase change ink carrier and optional dispersant with a dispersion blade in the jacketed vessel; adding a pigment to the melted, mixed phase change ink carrier and optional dispersant in the jacketed vessel; wetting the pigment; after pigment wetting, reducing the pigment particle size using an immersion mill or basket mill attachment in the jacketed vessel; and discharging the pigment dispersion.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: October 13, 2015
    Assignee: Xerox Corporation
    Inventors: Karina Lopez, Enno Eric Agur, Santiago Faucher, Frank Ping-Hay Lee, Aurelian Valeriu Magdalinis, Biby Esther Abraham, Daniel Lafontaine, Jonathan Lisk
  • Phase Change Ink Pigment Dispersion Process
    Publication number: 20150013567
    Abstract: A process for preparing a pigment dispersion including melting a phase change ink carrier and an optional dispersant at a temperature of from about 100° C. to about 170° C. in a jacketed vessel comprising a jacket surrounding an immersion mill or basket mill attachment and a dispersion blade attachment disposed within the jacketed vessel; mixing the melted phase change ink carrier and optional dispersant with a dispersion blade in the jacketed vessel; adding a pigment to the melted, mixed phase change ink carrier and optional dispersant in the jacketed vessel; wetting the pigment; after pigment wetting, reducing the pigment particle size using an immersion mill or basket mill attachment in the jacketed vessel; and discharging the pigment dispersion.
    Type: Application
    Filed: July 12, 2013
    Publication date: January 15, 2015
    Inventors: Karina Lopez, Enno Eric Agur, Santiago Faucher, Frank Ping-Hay Lee, Aurelian Valeriu Magdalinis, Biby Esther Abraham, Daniel Lafontaine, Jonathan Lisk