- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 7/11 - Purification, separation or stabilisation of hydrocarbonsUse of additives by absorption, i.e. purification or separation of gaseous hydrocarbons with the aid of liquids
Patent holdings for IPC class C07C 7/11
Total number of patents in this class: 393
10-year publication summary
|
46
|
42
|
36
|
31
|
24
|
25
|
13
|
15
|
17
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4241 |
47 |
| Linde Aktiengesellschaft | 1498 |
33 |
| BASF SE | 20967 |
23 |
| Chevron Phillips Chemical Company LP | 1825 |
16 |
| ExxonMobil Chemical Patents Inc. | 3977 |
13 |
| Shell Internationale Research Maatschappij B.V. | 3546 |
12 |
| Saudi Arabian Oil Company | 13295 |
10 |
| Shell Oil Company | 2138 |
8 |
| LG Chem, Ltd. | 17636 |
6 |
| Dow Global Technologies LLC | 10386 |
6 |
| Mitsubishi Chemical Corporation | 4528 |
6 |
| IFP Energies Nouvelles | 2942 |
6 |
| SABIC Global Technologies B.V. | 4352 |
6 |
| Sumitomo Seika Chemicals Co., Ltd. | 1044 |
6 |
| Lummus Technology LLC | 440 |
6 |
| Chevron U.S.A. Inc. | 3972 |
4 |
| JSR Corporation | 2526 |
4 |
| ConocoPhillips Company | 1677 |
4 |
| Daqing Petrochemical Engineering Co., Ltd. | 4 |
4 |
| Hitachi Zosen iNova Biomethan GmbH | 8 |
4 |
| Other owners | 169 |