Patents by Inventor Genevieve M. Adams

Genevieve M. Adams 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).

  • Waterfast ink for use in ink jet printing
    Patent number: 4155768
    Abstract: An ink for use in ink jet printers is provided. The ink contains a water soluble dye, a polyamine containing 6 or fewer nitrogen atoms per molecule, with the ink composition having a pH of 8 or below. The ink has improved waterfastness over an equivalent ink formulation without the polyamine additive.
    Type: Grant
    Filed: December 5, 1977
    Date of Patent: May 22, 1979
    Assignee: International Business Machines Corporation
    Inventors: Genevieve M. Adams, Richard D. Balanson, Clinton D. Snyder