Patents Assigned to Canada Printing Ink
  • News ink
    Patent number: 4321094
    Abstract: A news ink of low misting properties comprising a dispersion of a news ink pigment in a hydrocarbon oil, wherein the oil has the following physical properties:Color: water whiteAromatic content: zeroRefractive index: 1.467-1.480Specific gravity: 0.850-0.879Viscosity, cSt/40.degree. C.: 9.38-439.7Aniline point, .degree.C.: 96-138.
    Type: Grant
    Filed: October 6, 1980
    Date of Patent: March 23, 1982
    Assignee: Canada Printing Ink
    Inventors: Colin B. Batt, David Daffern, Paramanda Gupta