- 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: 1470
10-year publication summary
|
95
|
102
|
121
|
101
|
116
|
105
|
107
|
96
|
81
|
50
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF Corporation | 1719 |
44 |
| Johnson Matthey Public Limited Company | 1847 |
43 |
| BASF SE | 20904 |
40 |
| IFP Energies Nouvelles | 2943 |
30 |
| Centre National de La Recherche Scientifique | 10414 |
18 |
| Clariant International Ltd. | 940 |
18 |
| Uop LLC | 4239 |
16 |
| LG Chem, Ltd. | 17598 |
15 |
| Toyota Motor Corporation | 31819 |
14 |
| Kao Corporation | 4959 |
14 |
| Clean Diesel Technologies, Inc. | 67 |
14 |
| Nitto Denko Corporation | 8217 |
13 |
| Hanwha Solutions Corporation | 814 |
13 |
| The Furukawa Electric Co., Ltd. | 3645 |
12 |
| China Petroleum & Chemical Corporation | 1889 |
11 |
| Saudi Arabian Oil Company | 12997 |
11 |
| BASF Mobile Emissions Catalysts LLC | 399 |
10 |
| The Regents of the University of California | 19868 |
8 |
| Hyundai Motor Company | 21897 |
8 |
| Shell Internationale Research Maatschappij B.V. | 3551 |
7 |
| Other owners | 1111 |