- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 7/08 - Purification, separation or stabilisation of hydrocarbonsUse of additives by distillation with the aid of auxiliary compounds by extractive distillation
Patent holdings for IPC class C07C 7/08
Total number of patents in this class: 292
10-year publication summary
|
25
|
30
|
35
|
18
|
16
|
10
|
28
|
14
|
14
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20892 |
32 |
| Saudi Arabian Oil Company | 12947 |
24 |
| SABIC Global Technologies B.V. | 4326 |
19 |
| Uop LLC | 4236 |
18 |
| Lummus Technology Inc. | 306 |
14 |
| Sulzer Management AG | 662 |
12 |
| Evonik Oxeno GmbH & Co. KG | 313 |
12 |
| Linde Aktiengesellschaft | 1517 |
10 |
| IFP Energies Nouvelles | 2942 |
8 |
| SCG Chemicals Co., Ltd. | 158 |
7 |
| LG Chem, Ltd. | 17594 |
6 |
| AMT International, Inc. | 45 |
6 |
| China Petroleum & Chemical Corporation | 1882 |
6 |
| Zeon Corporation | 4079 |
6 |
| Lummus Technology LLC | 439 |
6 |
| CPC Corporation, Taiwan | 61 |
5 |
| Evonik Operations GmbH | 4083 |
5 |
| ExxonMobil Technology and Engineering Company | 1059 |
5 |
| Compagnie générale des établissements Michelin SCA | 2565 |
4 |
| GTC Technology US LLC | 34 |
4 |
| Other owners | 83 |