- 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 3/50 - Mixtures of different organic impregnating agents
Patent holdings for IPC class B27K 3/50
Total number of patents in this class: 181
10-year publication summary
9
|
7
|
13
|
11
|
18
|
13
|
15
|
5
|
15
|
2
|
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 |
12 |
Janssen Pharmaceutica N.V. | 3839 |
6 |
Troy Corporation | 51 |
6 |
Lanxess Deutschland GmbH | 1104 |
5 |
Stella-Jones Inc., | 26 |
5 |
Nutrition & Biosciences USA 2, LLC | 131 |
5 |
Daihachi Chemical Industry Co., Ltd. | 63 |
4 |
Syngenta Participations AG | 4970 |
3 |
Arch Timber Protection Limited | 53 |
3 |
Arch Wood Protection Pty Ltd | 10 |
3 |
Georg-august-universitat Gottingen Stiftung Offentlichen Rechts | 69 |
3 |
Institut Mines-telecom | 253 |
3 |
Kop-Coat, Inc. | 71 |
3 |
Nippon Soda Co., Ltd. | 890 |
3 |
Osmose Utilities Services, Inc. | 135 |
3 |
Sasol Wax GmbH | 31 |
3 |
Universite de Lorraine | 341 |
3 |
Universite Libanaise | 20 |
3 |
Dow Global Technologies LLC | 10147 |
2 |
Fritz Egger GmbH & Co. og | 237 |
2 |
Other owners | 101 |