- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 21/16 - Clays or other mineral silicates
Patent holdings for IPC class B01J 21/16
Total number of patents in this class: 513
10-year publication summary
|
17
|
39
|
32
|
33
|
37
|
37
|
35
|
40
|
18
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13948 |
25 |
| BASF Corporation | 1684 |
22 |
| China Petroleum & Chemical Corporation | 2064 |
12 |
| Total Research & Technology Feluy | 441 |
11 |
| NGK Insulators, Ltd. | 5212 |
10 |
| Celanese International Corporation | 912 |
10 |
| King Fahd University of Petroleum and Minerals | 1496 |
10 |
| Totalenergies Onetech | 1492 |
10 |
| Indian Oil Corporation Limited | 337 |
9 |
| Research Institute of Petroleum Processing, Sinopec | 366 |
9 |
| Chevron Phillips Chemical Company LP | 1853 |
8 |
| Chevron U.S.A. Inc. | 4094 |
7 |
| Johnson Matthey Public Limited Company | 1754 |
7 |
| ExxonMobil Chemical Patents Inc. | 3822 |
6 |
| Basell Poliolefine Italia S.r.l. | 929 |
6 |
| Johnson Matthey Catalysts (Germany) GmbH | 72 |
6 |
| Murata Manufacturing Co., Ltd. | 25566 |
5 |
| IFP Energies Nouvelles | 3035 |
5 |
| JGC Catalysts and Chemicals Ltd. | 259 |
5 |
| SK Innovation Co., Ltd. | 1475 |
5 |
| Other owners | 325 |