- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 41/42 - Separation; Purification; Stabilisation; Use 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: 164
10-year publication summary
17
|
18
|
7
|
8
|
8
|
11
|
5
|
31
|
14
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BASF SE | 19740 |
9 |
Lummus Technology LLC | 365 |
9 |
Maruzen Petrochemical Co., Ltd. | 171 |
8 |
SABIC Global Technologies B.V. | 4044 |
7 |
LG Chem, Ltd. | 17205 |
6 |
Gas Technologies LLC | 60 |
6 |
Linde GmbH | 1122 |
5 |
Linde Aktiengesellschaft | 1600 |
4 |
Oxea GmbH | 68 |
4 |
Evonik Operations GmbH | 3879 |
4 |
Daikin Industries, Ltd. | 9495 |
3 |
Dow Global Technologies LLC | 10147 |
3 |
Baxter International Inc. | 2425 |
3 |
Baxter Healthcare S.A. | 1810 |
3 |
Catalytic Distillation Technologies | 160 |
3 |
Pioneer Energy, Inc. | 21 |
3 |
Oq Chemicals GmbH | 57 |
3 |
INEOS Acetyls UK Limited | 57 |
3 |
Specialty Operations France | 563 |
3 |
Uop LLC | 4083 |
2 |
Other owners | 73 |