- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/89 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with noble metals
Patent holdings for IPC class B01J 23/89
Total number of patents in this class: 1847
10-year publication summary
|
143
|
131
|
103
|
107
|
92
|
103
|
109
|
103
|
88
|
56
|
| 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 | 1767 |
42 |
| China Petroleum & Chemical Corporation | 2147 |
34 |
| BASF SE | 21303 |
31 |
| Sasol Technology (Proprietary) Limited | 204 |
30 |
| IFP Energies Nouvelles | 3095 |
29 |
| Celanese International Corporation | 911 |
24 |
| Dow Global Technologies LLC | 10930 |
22 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12387 |
22 |
| Nissan Motor Co., Ltd. | 12947 |
21 |
| Chevron U.S.A. Inc. | 4134 |
21 |
| Saudi Arabian Oil Company | 14207 |
21 |
| Umicore AG & Co. KG | 853 |
21 |
| Nisshinbo Holdings Inc. | 375 |
18 |
| BASF Mobile Emissions Catalysts LLC | 432 |
18 |
| BASF Corporation | 1682 |
17 |
| Toyota Motor Corporation | 35680 |
16 |
| The Regents of the University of California | 20720 |
15 |
| Archer Daniels Midland Company | 1075 |
13 |
| Johnson Matthey Davy Technologies Limited | 518 |
13 |
| N.E. Chemcat Corporation | 188 |
11 |
| Other owners | 1408 |