- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 41/44 - SeparationPurificationStabilisationUse of additives by treatment giving rise to a chemical modification
Patent holdings for IPC class C07C 41/44
Total number of patents in this class: 45
10-year publication summary
|
4
|
1
|
1
|
5
|
2
|
8
|
4
|
1
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Licella Pty Limited | 29 |
5 |
| Canfor Pulp Ltd. | 12 |
4 |
| Oxea GmbH | 91 |
4 |
| BASF SE | 21306 |
3 |
| Daikin Industries, Ltd. | 10502 |
3 |
| Oq Chemicals GmbH | 43 |
3 |
| Dow Global Technologies LLC | 10994 |
2 |
| Central Glass Company, Limited | 1297 |
2 |
| Eastman Chemical Company | 2094 |
2 |
| GE Healthcare Limited | 628 |
2 |
| Huntsman International LLC | 691 |
2 |
| Lyondell Chemical Technology, L.P. | 242 |
2 |
| Bayer MaterialScience AG | 704 |
1 |
| Showa Denko K.K. | 2063 |
1 |
| Covestro Deutschland AG | 2844 |
1 |
| Maruzen Petrochemical Co., Ltd. | 186 |
1 |
| Rohm and Haas Electronic Materials LLC | 149 |
1 |
| Shiny Chemical Industrial Co., Ltd. | 7 |
1 |
| Watanabe Oyster Laboratory Co., Ltd. | 33 |
1 |
| Zhejiang Wansheng Co., Ltd. | 21 |
1 |
| Other owners | 3 |