- All sections
- B - Performing operations; transporting
- 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 for; chemical 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: 5
10-year publication summary
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0
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0
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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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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koppers Performance Chemicals Inc. | 129 |
2 |
| Osmose Utilities Services, Inc. | 135 |
2 |
| Beijing Forestry University | 13 |
1 |
| Other owners | 0 |