- 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 3/38 - Aromatic compounds
Patent holdings for IPC class B27K 3/38
Total number of patents in this class: 41
10-year publication summary
|
3
|
4
|
3
|
1
|
0
|
4
|
4
|
4
|
2
|
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. | 120 |
6 |
| University of Maryland, College Park | 1087 |
4 |
| Kyoto Prefectural Public University Corporation | 260 |
2 |
| Inventwood Inc. | 13 |
2 |
| Janssen Pharmaceutica N.V. | 3160 |
1 |
| Syngenta Participations AG | 1495 |
1 |
| Dow Global Technologies LLC | 10994 |
1 |
| Mitsui Chemicals Agro, Inc. | 79 |
1 |
| Arch Wood Protection Pty Ltd | 10 |
1 |
| Cognis IP Management GmbH | 538 |
1 |
| Flow Polymers, LLC | 16 |
1 |
| Institut Mines-telecom | 291 |
1 |
| Katayama Chemical, Inc. | 35 |
1 |
| Kop-Coat, Inc. | 69 |
1 |
| Laboratoriya Bio Zet, LLC | 4 |
1 |
| Lanxess Deutschland GmbH | 1142 |
1 |
| Metsäliitto Osuuskunta | 49 |
1 |
| Nippon Soda Co., Ltd. | 885 |
1 |
| Northeast Forestry University | 34 |
1 |
| SSB Licensing LLC | 1 |
1 |
| Other owners | 11 |