Patents by Inventor Robert A. Brunck

Robert A. Brunck 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).

  • Anti-kogation agents
    Patent number: 9587130
    Abstract: Anti-kogation agents and ink compositions containing it. Such anti-kogation agent has the formula (I) or (II) wherein R is an alkyl group having from 1 to 10 carbon atoms and n is an integer ranging from 3 to 10. A disclosed ink composition includes an ink vehicle, from about 0.1 to about 10 weight percentage of colorants and from about 0.01 to about 10 weight percentage of the anti-kogation agents.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: March 7, 2017
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Paul Tyrell, Robert A. Brunck, Kevin P. DeKam, Garry Hinch
  • Anti-Kogation Agents
    Publication number: 20130194364
    Abstract: Anti-kogation agents and ink compositions containing it. Such anti-kogation agent has the formula (I) or (II) wherein R is an alkyl group having from 1 to 10 carbon atoms and n is an integer ranging from 3 to 10. A disclosed ink composition includes an ink vehicle, from about 0.1 to about 10 weight percentage of colorants and from about 0.01 to about 10 weight percentage of the anti-kogation agents.
    Type: Application
    Filed: September 24, 2010
    Publication date: August 1, 2013
    Applicant: Hewlett-Packard Developement Company, L.P.
    Inventors: Paul Tyrell, Robert A. Brunck, Kevin P. DeKam, Garry Hinch