- 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 3/30 - Compounds of fluorine
Patent holdings for IPC class B27K 3/30
Total number of patents in this class: 7
10-year publication summary
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1
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1
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1
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0
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0
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1
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0
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1
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0
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koppers Performance Chemicals Inc. | 120 |
4 |
| Osmose Utilities Services, Inc. | 144 |
2 |
| Beijing Forestry University | 26 |
1 |
| Other owners | 0 |