Methods for esterifying hydroxyl groups in wood
US7300705B2 · kind B2 · utility
21Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2003 |
| Grant date | Nov 27, 2007 |
| Priority date | — |
| Expiry date | Nov 23, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31989
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Methods for esterifying hydroxyl groups in cellulose, hemicellulose, and lignin in wood are described, wherein the wood is chosen from loblolly, slash, shortleaf, longleaf or radiata pines. Methods can include solvent drying techniques and heating provided by electromagnetic radiation, such as microwave, and radiofrequency. Products made from the methods are described that have greater decay resistance and dimensional stability as compared with non-esterified wood products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.