Wood treated by impregnation with mixed anhydrides
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United States of America Patent
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Oct 11, 2011
Grant Date -
Nov 18, 2010
app pub date -
Jul 23, 2010
filing date -
Apr 10, 2002
priority date (Note) -
Expired
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Abstract
Process for the chemical treatment of lignocellulose materials, in particular of at least one piece of wood, characterized in that said materials are subjected to impregnation by a chemical agent comprising hydrocarbonaceous chains, this agent being chosen from mixed anhydrides, except for the mixed anhydride of acetic/benzoic acid, said agent being suitable for providing covalent grafting of a plurality of hydrocarbonaceous chains to said materials.
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