- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 21/06 - Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
Patent holdings for IPC class B01J 21/06
Total number of patents in this class: 3464
10-year publication summary
|
229
|
237
|
267
|
270
|
266
|
265
|
291
|
292
|
260
|
74
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF Corporation | 2039 |
109 |
| Johnson Matthey Public Limited Company | 1852 |
70 |
| Umicore AG & Co. KG | 867 |
60 |
| BASF SE | 19740 |
52 |
| Rhodia Operations | 1645 |
51 |
| Centre National de La Recherche Scientifique | 9632 |
42 |
| Chevron Phillips Chemical Company LP | 1779 |
42 |
| Toyota Motor Corporation | 28582 |
41 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
40 |
| BP p.l.c. | 498 |
36 |
| SABIC Global Technologies B.V. | 4044 |
34 |
| Dow Global Technologies LLC | 10147 |
29 |
| LG Chem, Ltd. | 17205 |
26 |
| Saudi Arabian Oil Company | 11322 |
24 |
| Shell Oil Company | 2196 |
23 |
| IFP Energies Nouvelles | 2717 |
23 |
| Shell USA, Inc. | 1074 |
23 |
| Korea Research Institute of Chemical Technology | 1266 |
22 |
| Chevron U.S.A. Inc. | 3774 |
21 |
| GM Global Technology Operations LLC | 13620 |
20 |
| Other owners | 2676 |