- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 27/049 - Sulfides with chromium, molybdenum, tungsten or polonium with iron group metals or platinum group metals
Patent holdings for IPC class B01J 27/049
Total number of patents in this class: 102
10-year publication summary
|
4
|
0
|
8
|
8
|
3
|
7
|
2
|
1
|
3
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron U.S.A. Inc. | 4020 |
18 |
| Uop LLC | 4259 |
7 |
| King Fahd University of Petroleum and Minerals | 1379 |
6 |
| ExxonMobil Research And Engineering Company | 2537 |
5 |
| ENI S.p.A. | 1280 |
5 |
| IFP Energies Nouvelles | 2983 |
4 |
| Industrie de Nora S.p.A. | 276 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3542 |
3 |
| Chiyoda Corporation | 400 |
3 |
| Total Raffinage Marketing | 153 |
3 |
| Shell USA, Inc. | 1257 |
3 |
| Ketjen Limited Liability Company | 64 |
3 |
| Shell Oil Company | 2133 |
2 |
| Showa Denko K.K. | 2174 |
2 |
| Hindustan Petroleum Corporation Limited | 222 |
2 |
| Oxford University Innovation Limited | 1577 |
2 |
| Corning Incorporated | 10385 |
1 |
| ExxonMobil Chemical Patents Inc. | 3942 |
1 |
| Lawrence Livermore National Security, LLC | 1941 |
1 |
| Chemical and Metal Technologies LLC | 12 |
1 |
| Other owners | 26 |