- 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: 173
10-year publication summary
|
18
|
7
|
8
|
8
|
11
|
5
|
32
|
14
|
15
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lummus Technology LLC | 438 |
12 |
| BASF SE | 20874 |
10 |
| Maruzen Petrochemical Co., Ltd. | 179 |
8 |
| SABIC Global Technologies B.V. | 4318 |
7 |
| LG Chem, Ltd. | 17581 |
6 |
| Linde GmbH | 1257 |
5 |
| Daikin Industries, Ltd. | 9977 |
4 |
| Dow Global Technologies LLC | 10385 |
4 |
| Linde Aktiengesellschaft | 1517 |
4 |
| Neste Oyj | 784 |
4 |
| Oxea GmbH | 72 |
4 |
| Evonik Operations GmbH | 4073 |
4 |
| Baxter International Inc. | 2389 |
3 |
| Baxter Healthcare S.A. | 1815 |
3 |
| Pioneer Energy, Inc. | 20 |
3 |
| Oq Chemicals GmbH | 57 |
3 |
| INEOS Acetyls UK Limited | 56 |
3 |
| Gastechno Corp. | 32 |
3 |
| Uop LLC | 4240 |
2 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4914 |
2 |
| Other owners | 79 |