Patents Assigned to Epple Druckfarben AG
  • Offset printing ink or offset printing varnish
    Patent number: 9346969
    Abstract: The present invention relates to an offset printing ink or offset printing varnish that is suitable for direct contact with foods, comprising at least one binder and where appropriate at least one colorant, wherein all the components of the offset printing ink or offset printing varnish are either food as defined in Regulation (EC) No 178/2002 of the European Parliament and of the Council or food additives as defined in Regulation (EC) No 1333/2008 of the European Parliament and of the Council.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: May 24, 2016
    Assignee: Epple Druckfarben AG
    Inventors: Carl Epple, Artur Eisele-Kohler
  • Reproduction method for printing
    Patent number: 7196815
    Abstract: To provide a reproduction method for printing wherein characteristic data of an original are transformed into data required for printing, with the dot gain being controllable so as to yield optimum reproduction results in the print, it is proposed that a modified characteristic curve of printing which in relation to the ideal characteristic curve of printing has a maximum above an area coverage of 50% be predefined for the transformation of the data in order to control the dot gain in printing.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: March 27, 2007
    Assignee: Epple Druckfarben AG
    Inventor: Rudolf Epple