Patents Examined by Steven D. Meier
  • Low-gloss ink-jet ink
    Patent number: 7735988
    Abstract: Non-visible ink jet printing ink composition for marking a substrate, having at least one marking compound absorbing light outside the visible wavelength range of about 400-700 nm, and which contains a hydrocarbon compound, having two to six carbon atoms carrying two or three hydroxyl groups, as a non-particulate matting agent, so as to adapt the gloss of the ink-jet printed marking to the gloss of the substrate.
    Type: Grant
    Filed: November 4, 2004
    Date of Patent: June 15, 2010
    Assignee: SICPA Holding S.A.
    Inventors: Thomas Tiller, Xavier Marguerettaz
  • Ink detection circuit and sensor for an ink jet printer
    Patent number: 6626513
    Abstract: An ink detection sensor for an ink jet printer includes two terminals defining a substantially linear gap therebetween. An ink support device supports ink in the gap between the terminals. An electrical measuring device detects a change in an electrical resistance between the terminals when ink is supported in the gap by the ink support device.
    Type: Grant
    Filed: July 18, 2001
    Date of Patent: September 30, 2003
    Assignee: Lexmark International, Inc.
    Inventors: Christopher Alan Adkins, Adam Jude Ahne, Michael Clark Campbell, Mark Joseph Edwards