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Relevant patents:

• PROCESS FOR DEINKING RECYCLED FIBERS AND USE OF AN ACID IN DEINKING
  Linde 2006
  Link
  
• NEAR-NEUTRAL DEINKING OF RECYCLED PULP USING PHOSPHINES OR PHOSPHONIUM SALTS
  Pulp and Paper Research Institute of Canada 2006
  Link
  

• METHOD OF DEINKING RECYCLED PAPER EMPLOYING CENTRIFIGAL CLEANERS
  International Paper Company 2006
  Link
  
• SYSTEM FOR CONTROL OF STICKIES IN RECOVERED AND VIRGIN PAPER PROCESSING
  Enzymatic Deinking Technologies 2006
  Link
  
• METHOD OF REMOVING CAPSULE OILS FROM SELF-COPYING PAPER
  Henkel 1998
  Link
  
  

In case of questions don't hesitate to contact us.

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Last update: 05 February 2007