- 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: 707
10-year publication summary
|
55
|
46
|
73
|
52
|
41
|
46
|
31
|
30
|
23
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 3095 |
115 |
| Chevron U.S.A. Inc. | 4134 |
58 |
| Uop LLC | 4393 |
53 |
| Shell Internationale Research Maatschappij B.V. | 3409 |
28 |
| Shell USA, Inc. | 1312 |
25 |
| Saudi Arabian Oil Company | 14207 |
21 |
| Shell Oil Company | 2075 |
18 |
| ExxonMobil Research And Engineering Company | 2425 |
17 |
| China Petroleum & Chemical Corporation | 2147 |
16 |
| ENI S.p.A. | 1307 |
14 |
| Arkema France | 4238 |
12 |
| ExxonMobil Chemical Patents Inc. | 3786 |
10 |
| King Fahd University of Petroleum and Minerals | 1569 |
10 |
| Eurecat S.A. | 95 |
9 |
| SK Innovation Co., Ltd. | 1483 |
9 |
| Aramco Services Company | 4188 |
7 |
| Ketjen Netherlands B.V. | 27 |
7 |
| Reactor Resources, LLC | 6 |
6 |
| Catalyst Recovery Europe S.A. | 6 |
6 |
| ExxonMobil Technology and Engineering Company | 1349 |
6 |
| Other owners | 260 |