- 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: 506
10-year publication summary
|
17
|
39
|
31
|
31
|
36
|
35
|
35
|
34
|
18
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13708 |
25 |
| BASF Corporation | 1702 |
22 |
| China Petroleum & Chemical Corporation | 1968 |
13 |
| Total Research & Technology Feluy | 446 |
11 |
| NGK Insulators, Ltd. | 5161 |
10 |
| Celanese International Corporation | 915 |
10 |
| King Fahd University of Petroleum and Minerals | 1392 |
10 |
| Research Institute of Petroleum Processing, Sinopec | 368 |
10 |
| Totalenergies Onetech | 1433 |
10 |
| Indian Oil Corporation Limited | 334 |
9 |
| Chevron Phillips Chemical Company LP | 1858 |
8 |
| Chevron U.S.A. Inc. | 4013 |
7 |
| ExxonMobil Chemical Patents Inc. | 3925 |
6 |
| Basell Poliolefine Italia S.r.l. | 921 |
6 |
| Johnson Matthey Catalysts (Germany) GmbH | 71 |
6 |
| Johnson Matthey Public Limited Company | 1770 |
6 |
| Murata Manufacturing Co., Ltd. | 25107 |
5 |
| IFP Energies Nouvelles | 2997 |
5 |
| JGC Catalysts and Chemicals Ltd. | 255 |
5 |
| SK Innovation Co., Ltd. | 1390 |
5 |
| Other owners | 317 |