- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 21/00 - Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
Patent holdings for IPC class B01J 21/00
Total number of patents in this class: 808
10-year publication summary
|
26
|
33
|
29
|
24
|
16
|
30
|
12
|
10
|
20
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Umicore AG & Co. KG | 852 |
26 |
| Johnson Matthey Public Limited Company | 1763 |
17 |
| Toyota Motor Corporation | 35906 |
16 |
| Nissan Motor Co., Ltd. | 12994 |
16 |
| Chevron U.S.A. Inc. | 4155 |
15 |
| Chevron Phillips Chemical Company LP | 1861 |
14 |
| Clariant International Ltd. | 893 |
13 |
| BASF Mobile Emissions Catalysts LLC | 428 |
13 |
| BASF SE | 21310 |
12 |
| BASF Corporation | 1682 |
12 |
| IFP Energies Nouvelles | 3099 |
12 |
| Cataler Corporation | 574 |
11 |
| Uop LLC | 4390 |
10 |
| Topsoe A/S | 1054 |
10 |
| LG Chem, Ltd. | 17937 |
9 |
| China Petroleum & Chemical Corporation | 2160 |
9 |
| Clean Diesel Technologies, Inc. | 64 |
9 |
| Shell USA, Inc. | 1340 |
9 |
| The Regents of the University of California | 20802 |
8 |
| Johnson Matthey Davy Technologies Limited | 529 |
8 |
| Other owners | 559 |