Applying Indicia Or Ornamentation, Or The Treatment Of Article Having Indicia Or Ornamentation Patents (Class 426/383)
  • Edible food casing printed with water-resistant ink
    Patent number: 3961082
    Abstract: A water-resistant printed mark is applied to collagen food casings using an edible printing ink comprising a pigment dyestuff, a liquid vehicle, and a cross-linkable substance. After application of the ink mark, the tube is subjected to a heating and/or tanning treatment to effect cross-linking and render the mark water resistant.
    Type: Grant
    Filed: March 7, 1973
    Date of Patent: June 1, 1976
    Inventor: Bruno Winkler