Procedure for manufacturing lignocellulosic material products
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United States of America Patent
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May 5, 1992
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N/A
app pub date -
Feb 25, 1991
filing date -
Mar 9, 1987
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Expired
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Abstract
A procedure for manufacturing lignocellulosic material products and for improving their strength and water resistance characteristics, high-molar mass lignin derivatives being added to the lignocellulosic material, of which at least 35% by weight are over 5000 in molar mass.
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