Patents Assigned to Sappi Maastricht B.V.
  • Method for reducing back trap mottle and paper with reduced sensitivity for back trap mottle
    Patent number: 6899921
    Abstract: A method for reducing back trap mottle of coated paper, comprising adjusting the absorbency of the coated surface combined with adjusting the adhesion between the coated paper surface and the ink. Polar additives are used in the paper coating to increase the polar fraction of the surface energy. The coated paper has a reduced sensitivity to back trap mottle.
    Type: Grant
    Filed: January 29, 2001
    Date of Patent: May 31, 2005
    Assignee: Sappi Maastricht B.V.
    Inventors: Jean Pierre Haenen, Maurice Essers