Patents by Inventor Maurice Essers

Maurice Essers 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).

  • 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
  • Method for reducing back trap mottle and paper with reduced sensitivity for back trap mottle
    Publication number: 20030124372
    Abstract: Method for reducing back trap mottle and of coated paper, comprising adjusting the absorbency of the coated paper surface combined with adjusting the adhesion between the coated paper surface and the ink. Use of polar additives in coated paper for increasing the polar fraction of the surface energy and paper with a reduced sensitivity for back trap mottle.
    Type: Application
    Filed: December 23, 2002
    Publication date: July 3, 2003
    Inventors: Jean Pierre Haenen, Maurice Essers