Abstrakti
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.
Alkuperäiskieli | Englanti |
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Patenttinumero | WO2004038100 |
IPC | D21H 19/ 38 A I |
Prioriteetti päiväys | 24/10/2002 |
Tila | Julkaistu - 6 toukok. 2004 |
OKM-julkaisutyyppi | H1 Myönnetty patentti |