Coloration of acetylated wood
US10293515B2 · kind B2 · utility
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4References
36Claims
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Inventor
Key dates
| Filing date | Jul 19, 2017 |
| Grant date | May 21, 2019 |
| Priority date | — |
| Expiry date | Jul 19, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08H8/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Techniques and products are described for coloring acetylated wood products. An acetylated wood product can be impregnated by a coloring medium within a chamber and the colorant or colorants contained within the coloring medium can be fixed to the acetylated wood product by the application of heat or by application of radio frequency radiation to color any external surface or interior region of the acetylated wood product which has been impregnated by the coloring medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.