Method for manufacturing paper and board
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United States of America Patent
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Jul 23, 2013
Grant Date -
Mar 23, 2006
app pub date -
Oct 24, 2003
filing date -
Oct 24, 2002
priority date (Note) -
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Abstract
The use of filler for the manufacture of paper and board products the air permeability 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.
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