- 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: 3655
10-year publication summary
|
237
|
267
|
270
|
266
|
265
|
295
|
299
|
278
|
199
|
108
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF Corporation | 1725 |
78 |
| Johnson Matthey Public Limited Company | 1851 |
77 |
| Umicore AG & Co. KG | 856 |
64 |
| BASF SE | 20926 |
54 |
| Rhodia Operations | 1586 |
53 |
| Toyota Motor Corporation | 31985 |
46 |
| Chevron Phillips Chemical Company LP | 1836 |
45 |
| Dow Global Technologies LLC | 10352 |
42 |
| BASF Mobile Emissions Catalysts LLC | 399 |
42 |
| BP p.l.c. | 519 |
41 |
| Centre National de La Recherche Scientifique | 10421 |
40 |
| Shell Internationale Research Maatschappij B.V. | 3542 |
37 |
| SABIC Global Technologies B.V. | 4335 |
35 |
| LG Chem, Ltd. | 17620 |
33 |
| IFP Energies Nouvelles | 2945 |
28 |
| Saudi Arabian Oil Company | 13091 |
27 |
| Korea Research Institute of Chemical Technology | 1388 |
24 |
| Shell USA, Inc. | 1212 |
23 |
| Shell Oil Company | 2141 |
22 |
| Chevron U.S.A. Inc. | 3953 |
21 |
| Other owners | 2823 |