- 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: 3586
10-year publication summary
|
237
|
267
|
270
|
266
|
265
|
294
|
295
|
274
|
195
|
50
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF Corporation | 1706 |
75 |
| Johnson Matthey Public Limited Company | 1849 |
75 |
| Umicore AG & Co. KG | 855 |
63 |
| BASF SE | 20548 |
52 |
| Rhodia Operations | 1580 |
51 |
| Toyota Motor Corporation | 30689 |
45 |
| Chevron Phillips Chemical Company LP | 1828 |
44 |
| Centre National de La Recherche Scientifique | 10156 |
41 |
| BP p.l.c. | 508 |
41 |
| BASF Mobile Emissions Catalysts LLC | 393 |
41 |
| Dow Global Technologies LLC | 10220 |
37 |
| Shell Internationale Research Maatschappij B.V. | 3492 |
34 |
| SABIC Global Technologies B.V. | 4267 |
34 |
| LG Chem, Ltd. | 17444 |
31 |
| Saudi Arabian Oil Company | 12569 |
27 |
| IFP Energies Nouvelles | 2858 |
26 |
| Korea Research Institute of Chemical Technology | 1353 |
23 |
| Shell USA, Inc. | 1159 |
23 |
| Shell Oil Company | 2145 |
22 |
| Chevron U.S.A. Inc. | 3889 |
21 |
| Other owners | 2780 |