- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/54 - SeparationPurificationStabilisationUse of additives by change in the physical state, e.g. crystallisation by distillation
Patent holdings for IPC class C07C 67/54
Total number of patents in this class: 511
10-year publication summary
|
41
|
43
|
35
|
36
|
31
|
33
|
26
|
51
|
31
|
29
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20961 |
43 |
| LG Chem, Ltd. | 17643 |
36 |
| Arkema France | 4162 |
36 |
| Dow Global Technologies LLC | 10394 |
27 |
| Rohm and Haas Company | 2891 |
22 |
| Rohm GmbH | 263 |
18 |
| Cargill, Incorporated | 2904 |
15 |
| Nippon Suisan Kaisha, Ltd. | 196 |
12 |
| Evonik Operations GmbH | 4147 |
12 |
| Evonik Röhm GmbH | 437 |
9 |
| Wacker Chemie AG | 2111 |
9 |
| Eastman Chemical Company | 2218 |
7 |
| Johnson Matthey Davy Technologies Limited | 281 |
7 |
| Mochida Pharmaceutical Co., Ltd. | 338 |
6 |
| SK Chemicals Co., Ltd. | 615 |
6 |
| Daikin Industries, Ltd. | 10058 |
5 |
| Biosynthetic Technologies, LLC | 93 |
5 |
| Celanese International Corporation | 909 |
5 |
| Central Glass Company, Limited | 1271 |
5 |
| Nippon Shokubai Co., Ltd. | 1504 |
5 |
| Other owners | 221 |