Wood treated by impregnation with mixed anhydrides
US8034462B2 · kind B2 · utility
0Cited by
8References
18Claims
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Key dates
| Filing date | Jul 23, 2010 |
| Grant date | Oct 11, 2011 |
| Priority date | — |
| Expiry date | Jul 23, 2030 |
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.