- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/83 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups with rare earths or actinides
Patent holdings for IPC class B01J 23/83
Total number of patents in this class: 771
10-year publication summary
|
67
|
67
|
64
|
69
|
52
|
44
|
57
|
58
|
61
|
20
|
| 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 |
30 |
| BASF SE | 19740 |
26 |
| Toyota Motor Corporation | 28582 |
17 |
| China Petroleum & Chemical Corporation | 1623 |
16 |
| Saudi Arabian Oil Company | 11322 |
15 |
| BASF Corporation | 2039 |
14 |
| SABIC Global Technologies B.V. | 4044 |
14 |
| Umicore AG & Co. KG | 867 |
11 |
| Sekisui Chemical Co., Ltd. | 3159 |
10 |
| Wanhua Chemical Group Co., Ltd. | 286 |
9 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
7 |
| Centre National de La Recherche Scientifique | 9632 |
7 |
| Korea Advanced Institute of Science and Technology | 3906 |
7 |
| Council of Scientific & Industrial Research | 1397 |
7 |
| Mitsui Mining & Smelting Co., Ltd. | 1373 |
7 |
| LG Chem, Ltd. | 17205 |
6 |
| Nissan Motor Co., Ltd. | 12249 |
6 |
| Japan Science and Technology Agency | 1564 |
6 |
| Cataler Corporation | 533 |
6 |
| Hitachi Zosen Corporation | 609 |
6 |
| Other owners | 544 |