- All sections
- B - Performing operationstransporting
- B27K - Processes, apparatus or selection of substances for impregnating, staining, dyeing or bleaching of wood, or for treating of wood with permeant liquids, not otherwise provided forchemical or physical treatment of cork, cane, reed, straw or similar materials
- B27K 3/40 - Aromatic compounds halogenated
Patent holdings for IPC class B27K 3/40
Total number of patents in this class: 11
10-year publication summary
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1
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2
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0
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0
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0
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1
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1
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0
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1
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koppers Performance Chemicals Inc. | 122 |
2 |
| Arch Wood Protection Pty Ltd | 10 |
1 |
| DeHua TB New Decoration Material Co.,Ltd | 6 |
1 |
| Lanxess Deutschland GmbH | 1111 |
1 |
| Phibro-Tech, Inc. | 3 |
1 |
| SSB Licensing LLC | 1 |
1 |
| Stella-Jones Inc., | 30 |
1 |
| Weyerhaeuser Company | 63 |
1 |
| Nutrition & Biosciences USA 2, LLC | 80 |
1 |
| Rfh Chemie GmbH & Co. KG | 2 |
1 |
| Other owners | 0 |