- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/38 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of noble metals
Patent holdings for IPC class B01J 23/38
Total number of patents in this class: 426
10-year publication summary
|
21
|
33
|
25
|
17
|
21
|
10
|
19
|
17
|
15
|
1
|
| 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 | 1738 |
27 |
| BASF Corporation | 1699 |
10 |
| Umicore AG & Co. KG | 864 |
10 |
| Shell Internationale Research Maatschappij B.V. | 3514 |
9 |
| BASF SE | 21126 |
8 |
| LG Chem, Ltd. | 17726 |
8 |
| Uop LLC | 4264 |
7 |
| Toyota Motor Corporation | 33878 |
6 |
| Saudi Arabian Oil Company | 13791 |
6 |
| ECC TEC MSJ Incorporated | 19 |
6 |
| Chevron U.S.A. Inc. | 4043 |
5 |
| Northwestern University | 3478 |
5 |
| Evonik Operations GmbH | 4196 |
5 |
| Shell Oil Company | 2119 |
4 |
| Celanese International Corporation | 913 |
4 |
| Heraeus Deutschland GmbH & Co. KG | 406 |
4 |
| IFP Energies Nouvelles | 3013 |
4 |
| Nanyang Technological University | 2111 |
4 |
| Solvay SA | 970 |
4 |
| UTC Power Corporation | 237 |
4 |
| Other owners | 286 |