- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/56 - SeparationPurificationStabilisationUse of additives by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by chemisorption
Patent holdings for IPC class C07C 67/56
Total number of patents in this class: 234
10-year publication summary
|
24
|
15
|
19
|
13
|
15
|
25
|
18
|
17
|
14
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Suisan Kaisha, Ltd. | 191 |
12 |
| IFP Energies Nouvelles | 3043 |
10 |
| BASF SE | 21171 |
9 |
| Kao Corporation | 5051 |
9 |
| SK Chemicals Co., Ltd. | 649 |
9 |
| Dow Global Technologies LLC | 10858 |
6 |
| Eastman Chemical Company | 2077 |
6 |
| Mochida Pharmaceutical Co., Ltd. | 335 |
6 |
| Supercritical Fluid Technologies, Inc. | 18 |
6 |
| LG Chem, Ltd. | 17903 |
4 |
| Arkema France | 4193 |
4 |
| Korea Research Institute of Chemical Technology | 1458 |
4 |
| Nippon Shokubai Co., Ltd. | 1527 |
4 |
| Jeplan, Inc. | 41 |
4 |
| Nissui Corporation | 83 |
4 |
| Evonik Röhm GmbH | 397 |
3 |
| Daikin Industries, Ltd. | 10412 |
3 |
| Sichuan Jiuzhang Biological Science and Technology Co., Ltd | 70 |
3 |
| Spero Renewables, LLC | 14 |
3 |
| ExxonMobil Chemical Patents Inc. | 3805 |
2 |
| Other owners | 123 |