- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 37/20 - Sulfiding
Patent holdings for IPC class B01J 37/20
Total number of patents in this class: 670
10-year publication summary
|
55
|
46
|
55
|
46
|
73
|
52
|
41
|
45
|
27
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 2717 |
107 |
| Uop LLC | 4083 |
52 |
| Chevron U.S.A. Inc. | 3774 |
52 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
32 |
| Shell USA, Inc. | 1074 |
24 |
| ExxonMobil Research And Engineering Company | 2830 |
22 |
| Saudi Arabian Oil Company | 11322 |
21 |
| Shell Oil Company | 2196 |
18 |
| Arkema France | 3790 |
13 |
| ENI S.p.A. | 1241 |
13 |
| Eurecat S.A. | 85 |
11 |
| ExxonMobil Chemical Patents Inc. | 4286 |
10 |
| China Petroleum & Chemical Corporation | 1623 |
10 |
| King Fahd University of Petroleum and Minerals | 779 |
10 |
| Albemarle Europe SPRL | 38 |
8 |
| Albemarle Netherlands B.V. | 93 |
7 |
| Reactor Resources, LLC | 7 |
7 |
| SK Innovation Co., Ltd. | 1015 |
7 |
| Total Raffinage France | 49 |
7 |
| Aramco Services Company | 3504 |
6 |
| Other owners | 233 |