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....http://www.google.es/patents/US5110414?utm_source=gb-gplus-sharePatente US5110414 - Procedure for manufacturing lignocellulosic material products
Procedure for manufacturing lignocellulosic material products
