- 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: 99
10-year publication summary
|
0
|
9
|
8
|
3
|
7
|
2
|
1
|
3
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron U.S.A. Inc. | 4170 |
18 |
| Uop LLC | 4407 |
7 |
| King Fahd University of Petroleum and Minerals | 1601 |
6 |
| ExxonMobil Research And Engineering Company | 2392 |
5 |
| ENI S.p.A. | 1317 |
5 |
| IFP Energies Nouvelles | 3116 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3390 |
3 |
| Total Raffinage Marketing | 146 |
3 |
| Ketjen Limited Liability Company | 67 |
3 |
| Shell Oil Company | 2064 |
2 |
| Showa Denko K.K. | 2059 |
2 |
| China Petroleum & Chemical Corporation | 2175 |
2 |
| Chiyoda Corporation | 433 |
2 |
| Hindustan Petroleum Corporation Limited | 230 |
2 |
| Industrie de Nora S.p.A. | 280 |
2 |
| Neste Oyj | 794 |
2 |
| Shell USA, Inc. | 1351 |
2 |
| Sinopec Dalian Research Institute of Petroleum and Petrochemicals Co., Ltd. | 150 |
2 |
| Corning Incorporated | 10538 |
1 |
| ExxonMobil Chemical Patents Inc. | 3762 |
1 |
| Other owners | 25 |