- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/72 - Copper
Patent holdings for IPC class B01J 23/72
Total number of patents in this class: 1483
10-year publication summary
|
95
|
100
|
114
|
95
|
112
|
100
|
104
|
94
|
79
|
64
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF Corporation | 1716 |
44 |
| Johnson Matthey Public Limited Company | 1866 |
44 |
| BASF SE | 20945 |
40 |
| IFP Energies Nouvelles | 2939 |
30 |
| LG Chem, Ltd. | 17641 |
23 |
| Centre National de La Recherche Scientifique | 10465 |
18 |
| Clariant International Ltd. | 932 |
18 |
| Uop LLC | 4240 |
16 |
| Toyota Motor Corporation | 32542 |
14 |
| Kao Corporation | 4968 |
14 |
| Clean Diesel Technologies, Inc. | 66 |
14 |
| Nitto Denko Corporation | 8261 |
13 |
| Hanwha Solutions Corporation | 850 |
13 |
| The Furukawa Electric Co., Ltd. | 3670 |
12 |
| China Petroleum & Chemical Corporation | 1903 |
11 |
| Saudi Arabian Oil Company | 13263 |
11 |
| BASF Mobile Emissions Catalysts LLC | 406 |
10 |
| The Regents of the University of California | 19989 |
8 |
| Hyundai Motor Company | 22141 |
8 |
| Shell Internationale Research Maatschappij B.V. | 3549 |
7 |
| Other owners | 1115 |