- 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 3/32 - Mixtures of different inorganic impregnating agents
Patent holdings for IPC class B27K 3/32
Total number of patents in this class: 52
10-year publication summary
3
|
2
|
7
|
5
|
5
|
4
|
7
|
6
|
4
|
1
|
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 |
6 |
American Chemet Corporation | 8 |
4 |
Eth Zurich | 1193 |
4 |
Osmose Utilities Services, Inc. | 135 |
3 |
M&H Technical Research Institute Co., Ltd. | 4 |
3 |
E. I. du Pont de Nemours and Company | 4345 |
2 |
Board of Supervisors of Louisiana State University and Agricultural and Mechanical College | 786 |
2 |
EMPA Eidgenössische Materialprüfungs-und Forschungsanstalt | 176 |
2 |
Wood Modification Technologies Ltd | 8 |
2 |
First Point A.S. | 36 |
2 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
Georgia Tech Research Corporation | 2453 |
1 |
C-ip S.A. | 12 |
1 |
Clariant International Ltd. | 978 |
1 |
FP Wood Oy | 3 |
1 |
Jiangsu University | 950 |
1 |
Knauf Insulation SPRL | 167 |
1 |
Kop-Coat, Inc. | 71 |
1 |
Kyoto Prefectural Public University Corporation | 209 |
1 |
Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2362 |
1 |
Other owners | 12 |