- 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 3/42 - Aromatic compounds nitrated, or nitrated and halogenated
Patent holdings for IPC class B27K 3/42
Total number of patents in this class: 14
10-year publication summary
|
0
|
1
|
2
|
1
|
3
|
1
|
2
|
1
|
0
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Institut Mines-telecom | 253 |
2 |
| Koppers Performance Chemicals Inc. | 129 |
2 |
| Universite de Lorraine | 341 |
2 |
| Universite Libanaise | 20 |
2 |
| Dow Global Technologies LLC | 10147 |
1 |
| Empire Technology Development LLC | 1636 |
1 |
| Arch Wood Protection, Inc. | 94 |
1 |
| University of Maryland, College Park | 894 |
1 |
| Weyerhaeuser NR Company | 352 |
1 |
| Inventwood Inc. | 2 |
1 |
| Other owners | 0 |