Patents by Inventor Ted P. Rygas

Ted P. Rygas 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).

  • Intaglio printing inks having improved dispersibility and chemical resistance
    Patent number: 6833395
    Abstract: Intaglio printing inks in paste form having both improved dispersibility and chemical resistance are provided and, in particular, dispersibility in tap water is provided in some formulations. The paste ink comprises an alkyd resin, having a degree of neutralization between about 10% and about 35% and an acid number between about 30 and 110, optionally containing an unsaturated oily component, an anionic or nonionic surfactant and an organic base selected from the group consisting of alcohol-amines, and substituted polyethyleneimines, wherein the substituted polyethyleneimines are modified with epichlorohydrine or alkoxylated and the organic base has a boiling point higher than 150° C. The ink may also comprise water.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: December 21, 2004
    Assignee: Canadian Bank Note Company, Limited
    Inventors: Ted P. Rygas, Laurence M. Suzzarini, Christine A. Caputo, Sheila M. Palaisy
  • Intaglio printing inks having improved dispersibility and chemical resistance
    Publication number: 20030100628
    Abstract: Intaglio printing inks in paste form having both improved dispersibility and chemical resistance are provided and, in particular, dispersibility in tap water is provided in some formulations. The paste ink comprises an alkyd resin, having a degree of neutralization between about 10% and about 35% and an acid number between about 30 and 110, optionally containing an unsaturated oily component, an anionic or nonionic surfactant and an organic base selected from the group consisting of alcohol-amines, and substituted polyethyleneimines, wherein the substituted polyethyleneimines are modified with epichlorohydrine or alkoxylated and the organic base has a boiling point higher than 150° C. The ink may also comprise water.
    Type: Application
    Filed: October 5, 2001
    Publication date: May 29, 2003
    Inventors: Ted P. Rygas, Laurence M. Suzzarini, Christine A. Caputo, Sheila M. Palaisy