- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/54 - Separation; Purification; Stabilisation; Use 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: 466
10-year publication summary
|
30
|
45
|
48
|
36
|
37
|
32
|
33
|
29
|
52
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
36 |
| LG Chem, Ltd. | 17205 |
32 |
| Arkema France | 3790 |
32 |
| Dow Global Technologies LLC | 10147 |
24 |
| Rohm and Haas Company | 2805 |
20 |
| Rohm GmbH | 299 |
16 |
| Cargill, Incorporated | 2835 |
14 |
| Nippon Suisan Kaisha, Ltd. | 204 |
12 |
| Evonik Operations GmbH | 3879 |
10 |
| Evonik Röhm GmbH | 452 |
9 |
| Wacker Chemie AG | 2091 |
9 |
| Daikin Industries, Ltd. | 9495 |
7 |
| Eastman Chemical Company | 2239 |
7 |
| Johnson Matthey Davy Technologies Limited | 216 |
7 |
| Mitsubishi Chemical Corporation | 4313 |
6 |
| Mochida Pharmaceutical Co., Ltd. | 334 |
6 |
| Biosynthetic Technologies, LLC | 92 |
5 |
| Celanese International Corporation | 879 |
5 |
| Central Glass Company, Limited | 1244 |
5 |
| Nippon Shokubai Co., Ltd. | 1487 |
5 |
| Other owners | 199 |