Method for treating lignocellulosic materials, in particular wood and material obtained by this method
US7790239B2 · kind B2 · utility
1Cited by
7References
14Claims
0Family size
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Key dates
| Filing date | Apr 9, 2003 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Jun 10, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/662
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.