- 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: 542
10-year publication summary
|
48
|
36
|
37
|
32
|
34
|
31
|
54
|
32
|
42
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21318 |
49 |
| Arkema France | 4230 |
39 |
| LG Chem, Ltd. | 17978 |
36 |
| Dow Global Technologies LLC | 11051 |
26 |
| Rohm and Haas Company | 2941 |
21 |
| Rohm GmbH | 261 |
19 |
| Cargill, Incorporated | 2986 |
15 |
| Evonik Operations GmbH | 4430 |
14 |
| Nippon Suisan Kaisha, Ltd. | 191 |
12 |
| Wacker Chemie AG | 2118 |
9 |
| Johnson Matthey Davy Technologies Limited | 533 |
8 |
| SK Chemicals Co., Ltd. | 648 |
8 |
| Eastman Chemical Company | 2112 |
7 |
| Nippon Shokubai Co., Ltd. | 1529 |
7 |
| Evonik Röhm GmbH | 380 |
6 |
| Mochida Pharmaceutical Co., Ltd. | 339 |
6 |
| Daikin Industries, Ltd. | 10527 |
5 |
| Biosynthetic Technologies, LLC | 90 |
5 |
| Celanese International Corporation | 912 |
5 |
| Central Glass Company, Limited | 1297 |
5 |
| Other owners | 240 |