- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 41/42 - SeparationPurificationStabilisationUse of additives by change of physical state, e.g. by crystallisation by distillation
Patent holdings for IPC class C07C 41/42
Total number of patents in this class: 171
10-year publication summary
|
18
|
7
|
8
|
5
|
11
|
5
|
28
|
14
|
12
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lummus Technology LLC | 442 |
12 |
| BASF SE | 20961 |
10 |
| Maruzen Petrochemical Co., Ltd. | 183 |
8 |
| SABIC Global Technologies B.V. | 4359 |
7 |
| LG Chem, Ltd. | 17643 |
6 |
| Linde GmbH | 1256 |
5 |
| Daikin Industries, Ltd. | 10058 |
4 |
| Dow Global Technologies LLC | 10394 |
4 |
| Linde Aktiengesellschaft | 1498 |
4 |
| Neste Oyj | 786 |
4 |
| Oxea GmbH | 74 |
4 |
| Evonik Operations GmbH | 4147 |
4 |
| Baxter International Inc. | 2411 |
3 |
| Baxter Healthcare S.A. | 1835 |
3 |
| Pioneer Energy, Inc. | 20 |
3 |
| Oq Chemicals GmbH | 57 |
3 |
| INEOS Acetyls UK Limited | 56 |
3 |
| Gastechno Corp. | 32 |
3 |
| Uop LLC | 4242 |
2 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4989 |
2 |
| Other owners | 77 |