- 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: 1532
10-year publication summary
|
102
|
121
|
101
|
116
|
105
|
109
|
97
|
82
|
78
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF Corporation | 1683 |
44 |
| Johnson Matthey Public Limited Company | 1768 |
43 |
| BASF SE | 21313 |
39 |
| IFP Energies Nouvelles | 3098 |
31 |
| LG Chem, Ltd. | 17926 |
23 |
| Centre National de La Recherche Scientifique | 11010 |
19 |
| Clariant International Ltd. | 894 |
17 |
| Uop LLC | 4394 |
16 |
| Toyota Motor Corporation | 35578 |
14 |
| Kao Corporation | 5067 |
14 |
| China Petroleum & Chemical Corporation | 2142 |
14 |
| Clean Diesel Technologies, Inc. | 64 |
14 |
| Nitto Denko Corporation | 8517 |
13 |
| The Furukawa Electric Co., Ltd. | 3700 |
13 |
| Hanwha Solutions Corporation | 1160 |
13 |
| Saudi Arabian Oil Company | 14161 |
11 |
| BASF Mobile Emissions Catalysts LLC | 433 |
10 |
| The Regents of the University of California | 20694 |
8 |
| Hyundai Motor Company | 24578 |
8 |
| The University of Tokyo | 4356 |
8 |
| Other owners | 1160 |