Patents Assigned to The Nimrod Press, Inc.
  • Spirit duplicating with indicia formed by ink comprising dye means and smudge-resistant binder means soluble in spirit duplicating fluid
    Patent number: 4565841
    Abstract: A spirit duplicating master ink contains more than 50 weight % of methyl violet, a binder of poly(vinyl methyl ether) that is of the order of 5 weight % and a 2-ethoxy-ethanol carrier solution of the order of 30 weight % with corn starch filler of the order of 10 weight %. This ink is printed upon a spirit duplicating master to leave a residue with the methyl violet weight % of the order of 73%, that of the 2-ethoxy-ethanol of the order of 7% and that of the corn starch of the order of 20%.
    Type: Grant
    Filed: September 10, 1979
    Date of Patent: January 21, 1986
    Assignee: The Nimrod Press, Inc.
    Inventor: Curt Thies