- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 21/06 - Silicon, titanium, zirconium or hafniumOxides or hydroxides thereof
Patent holdings for IPC class B01J 21/06
Total number of patents in this class: 3745
10-year publication summary
|
248
|
260
|
253
|
253
|
281
|
290
|
269
|
195
|
181
|
33
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1733 |
78 |
| BASF Corporation | 1694 |
75 |
| Umicore AG & Co. KG | 862 |
64 |
| BASF SE | 21151 |
54 |
| Rhodia Operations | 1539 |
50 |
| Dow Global Technologies LLC | 10720 |
48 |
| BP p.l.c. | 533 |
47 |
| BASF Mobile Emissions Catalysts LLC | 426 |
47 |
| Toyota Motor Corporation | 34094 |
46 |
| Chevron Phillips Chemical Company LP | 1847 |
45 |
| Centre National de La Recherche Scientifique | 10820 |
40 |
| SABIC Global Technologies B.V. | 4466 |
37 |
| Shell Internationale Research Maatschappij B.V. | 3498 |
35 |
| LG Chem, Ltd. | 17759 |
34 |
| IFP Energies Nouvelles | 3007 |
28 |
| Saudi Arabian Oil Company | 13886 |
28 |
| Korea Research Institute of Chemical Technology | 1439 |
27 |
| China Petroleum & Chemical Corporation | 2005 |
25 |
| Shell USA, Inc. | 1280 |
23 |
| Cataler Corporation | 579 |
22 |
| Other owners | 2892 |