- 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: 521
10-year publication summary
|
43
|
35
|
36
|
31
|
33
|
27
|
51
|
31
|
38
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21111 |
45 |
| LG Chem, Ltd. | 17706 |
36 |
| Arkema France | 4173 |
36 |
| Dow Global Technologies LLC | 10664 |
28 |
| Rohm and Haas Company | 2939 |
23 |
| Rohm GmbH | 265 |
18 |
| Cargill, Incorporated | 2961 |
15 |
| Evonik Operations GmbH | 4174 |
14 |
| Nippon Suisan Kaisha, Ltd. | 196 |
12 |
| Wacker Chemie AG | 2105 |
9 |
| Evonik Röhm GmbH | 423 |
8 |
| SK Chemicals Co., Ltd. | 626 |
8 |
| Johnson Matthey Davy Technologies Limited | 450 |
7 |
| Eastman Chemical Company | 2104 |
6 |
| Mochida Pharmaceutical Co., Ltd. | 340 |
6 |
| Daikin Industries, Ltd. | 10200 |
5 |
| Biosynthetic Technologies, LLC | 90 |
5 |
| Celanese International Corporation | 915 |
5 |
| Central Glass Company, Limited | 1279 |
5 |
| Nippon Shokubai Co., Ltd. | 1510 |
5 |
| Other owners | 225 |