METHOD FOR MANUFACTURING PAPER AND BOARD

Petri Silenius (Inventor), Risto Kekki (Inventor)

Research output: Patent

Abstract

The use of filler for the manufacture of paper and board products the air permeance of which does not substantially change as a function of the amount of filler, the filler being at least in part made up of cellulose or lignocellulose fibrils on which there have been deposited light-scattering material particles the proportion of which is 67-85 %, preferably approx. 70-82 %, of the weight of the filler.
Original languageEnglish
Patent numberWO2004038100
IPCD21H 19/ 38 A I
Priority date24/10/2002
Publication statusPublished - 6 May 2004
MoE publication typeH1 Granted patent

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