- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their 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: 416
10-year publication summary
|
40
|
33
|
21
|
39
|
28
|
18
|
22
|
10
|
17
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1852 |
27 |
| BASF Corporation | 2039 |
10 |
| Umicore AG & Co. KG | 867 |
10 |
| BASF SE | 19740 |
9 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
9 |
| LG Chem, Ltd. | 17205 |
8 |
| Toyota Motor Corporation | 28582 |
8 |
| Lyondell Chemical Technology, L.P. | 292 |
7 |
| Uop LLC | 4083 |
6 |
| ECC TEC MSJ Incorporated | 14 |
6 |
| Saudi Arabian Oil Company | 11322 |
5 |
| Solvay SA | 1181 |
5 |
| Evonik Operations GmbH | 3879 |
5 |
| Centre National de La Recherche Scientifique | 9632 |
4 |
| Shell Oil Company | 2196 |
4 |
| Chevron U.S.A. Inc. | 3774 |
4 |
| Northwestern University | 3112 |
4 |
| Celanese International Corporation | 879 |
4 |
| Gas Technology Institute | 374 |
4 |
| Heraeus Deutschland GmbH & Co. KG | 643 |
4 |
| Other owners | 273 |