- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/85 - Chromium, molybdenum, or tungsten
Patent holdings for IPC class B01J 23/85
Total number of patents in this class: 284
10-year publication summary
|
11
|
9
|
12
|
21
|
10
|
6
|
12
|
4
|
5
|
2
|
| 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 |
25 |
| IFP Energies Nouvelles | 2983 |
23 |
| Shell Internationale Research Maatschappij B.V. | 3542 |
17 |
| Shell USA, Inc. | 1257 |
13 |
| Shell Oil Company | 2133 |
10 |
| Uop LLC | 4259 |
9 |
| Advanced Refining Technologies LLC | 58 |
9 |
| ExxonMobil Research And Engineering Company | 2537 |
8 |
| Saudi Arabian Oil Company | 13686 |
8 |
| PetroChina Company Limited | 726 |
7 |
| Instituto Mexicano Del Petroleo | 223 |
6 |
| National Institute of Advanced Industrial Science and Technology | 3798 |
5 |
| Aramco Services Company | 4099 |
5 |
| JX Nippon Oil & Energy Corporation | 979 |
5 |
| Ketjen Netherlands B.V. | 26 |
5 |
| LG Chem, Ltd. | 17706 |
4 |
| China Petroleum & Chemical Corporation | 1955 |
4 |
| Eurecat S.A. | 89 |
3 |
| Nankai University | 240 |
3 |
| Tianjin Bineng Science and Technology Co.,Ltd. | 6 |
3 |
| Other owners | 112 |