Patents by Inventor Christopher Cobbs

Christopher Cobbs 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).

  • Print medium surface treatment
    Patent number: 9475329
    Abstract: A print medium surface treatment includes a first composition that includes a filler, and a polymer that is non-film forming until it is subjected to film forming conditions. The first composition has a charge density that is large enough to promote crashing of particulate colorants of an ink and low enough to avoid crashing of the filler.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: October 25, 2016
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Gracy Apprisiani Wingkono, Xiaoqi Zhou, Christopher Cobbs
  • PRINT MEDIUM SURFACE TREATMENT
    Publication number: 20140168337
    Abstract: A print medium surface treatment includes a first composition that includes a filler, and a polymer that is non-film forming until it is subjected to film forming conditions. The first composition has a charge density that is large enough to promote crashing of particulate colorants of an ink and low enough to avoid crashing of the filler.
    Type: Application
    Filed: July 29, 2011
    Publication date: June 19, 2014
    Inventors: Gracy Apprisiani Wingkono, Xiaoqi Zhou, Christopher Cobbs