Patents by Inventor Luke Grassy

Luke Grassy 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).

  • Ink additive combinations for improving printhead lifetime
    Patent number: 9546292
    Abstract: An inkjet ink for improving printhead lifetimes includes: an aqueous-based ink vehicle; a colorant; an anti-kogation additive; and an anti-corrosion additive having at least one acetylenic group, the acetylenic group being absent any tertiary or quaternary ?-carbon atoms.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: January 17, 2017
    Assignee: Memjet Technology Limited
    Inventors: David Tyvoll, Simon Fielder, Michele Gimona, Christopher Barton, Jognandan Prashar, Michele Shepard, Iain Blake, Richard Myors, Luke Grassy
  • INK ADDITIVE COMBINATIONS FOR IMPROVING PRINTHEAD LIFETIME
    Publication number: 20160137861
    Abstract: An inkjet ink for improving printhead lifetimes includes: an aqueous-based ink vehicle; a colorant; an anti-kogation additive; and an anti-corrosion additive having at least one acetylenic group, the acetylenic group being absent any tertiary or quaternary ?-carbon atoms.
    Type: Application
    Filed: October 7, 2015
    Publication date: May 19, 2016
    Inventors: David Tyvoll, Simon Fielder, Michele Gimona, Christopher Barton, Jognandan Prashar, Michele Shepard, Iain Blake, Richard Myors, Luke Grassy