Patents by Inventor Eugene L. Miller

Eugene L. Miller 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).

  • Water-resistant black flexographic ink
    Patent number: 4321178
    Abstract: The ammonium salt of Nigrosine Sulfonic Acid, a novel compound, has been discovered to produce a black flexographic ink with superior water-resistance properties.
    Type: Grant
    Filed: October 24, 1980
    Date of Patent: March 23, 1982
    Assignee: American Cyanamid Company
    Inventor: Eugene L. Miller