- 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 3/42 - Aromatic compounds nitrated, or nitrated and halogenated
Patent holdings for IPC class B27K 3/42
Total number of patents in this class: 18
10-year publication summary
|
2
|
1
|
3
|
1
|
2
|
1
|
0
|
3
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koppers Performance Chemicals Inc. | 123 |
4 |
| Institut Mines-telecom | 290 |
2 |
| Universite de Lorraine | 400 |
2 |
| Universite Libanaise | 20 |
2 |
| University of Maryland, College Park | 1086 |
2 |
| Inventwood Inc. | 13 |
2 |
| Dow Global Technologies LLC | 10944 |
1 |
| Empire Technology Development LLC | 1614 |
1 |
| Arch Wood Protection, Inc. | 87 |
1 |
| Weyerhaeuser NR Company | 318 |
1 |
| Other owners | 0 |