Patents by Inventor Ronald E. Coutta

Ronald E. Coutta 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).

  • Aqueous magnetic ink character recognition ink-jet ink composition containing a combination of special surfactants
    Patent number: 6746527
    Abstract: An aqueous ink-jet ink composition for MICR applications is provided comprising a metal oxide pre-dispersion combined with an aqueous ink-jet ink composition, wherein the metal oxide pre-dispersion contains metal oxide pigment or particles of a very small particle size, at least one surfactant to aid in the aid in the dispersion of the metal oxide particles. Particularly, the surfactant component is a combination of an anionic surfactant and an anionic-nonionic surfactant, or may be a combination of other types of surfactants.
    Type: Grant
    Filed: March 26, 2003
    Date of Patent: June 8, 2004
    Assignee: Nu-kote International, Inc.
    Inventors: Michael J. McElligott, Donald E. Snyder, Jr., Ronald E. Coutta