- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 37/20 - Sulfiding
Patent holdings for IPC class B01J 37/20
Total number of patents in this class: 686
10-year publication summary
|
42
|
49
|
42
|
70
|
50
|
38
|
39
|
28
|
28
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 2959 |
110 |
| Chevron U.S.A. Inc. | 3996 |
57 |
| Uop LLC | 4246 |
51 |
| Shell Internationale Research Maatschappij B.V. | 3557 |
29 |
| Shell USA, Inc. | 1242 |
24 |
| Saudi Arabian Oil Company | 13409 |
21 |
| ExxonMobil Research And Engineering Company | 2562 |
18 |
| Shell Oil Company | 2138 |
18 |
| ENI S.p.A. | 1274 |
13 |
| Arkema France | 4168 |
11 |
| ExxonMobil Chemical Patents Inc. | 3974 |
10 |
| China Petroleum & Chemical Corporation | 1911 |
10 |
| King Fahd University of Petroleum and Minerals | 1280 |
10 |
| Eurecat S.A. | 89 |
9 |
| SK Innovation Co., Ltd. | 1360 |
9 |
| Aramco Services Company | 4033 |
7 |
| Reactor Resources, LLC | 7 |
7 |
| ExxonMobil Technology and Engineering Company | 1112 |
7 |
| Ketjen Netherlands B.V. | 24 |
7 |
| Albemarle Europe SPRL | 28 |
6 |
| Other owners | 252 |