- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/656 - Manganese, technetium or rhenium
Patent holdings for IPC class B01J 23/656
Total number of patents in this class: 380
10-year publication summary
|
19
|
28
|
26
|
21
|
30
|
26
|
28
|
12
|
23
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1873 |
29 |
| Archer Daniels Midland Company | 1132 |
16 |
| BASF Mobile Emissions Catalysts LLC | 410 |
16 |
| BASF Corporation | 1719 |
15 |
| BASF SE | 21017 |
13 |
| Celanese International Corporation | 911 |
9 |
| Nissan Motor Co., Ltd. | 12560 |
8 |
| Umicore AG & Co. KG | 860 |
8 |
| China Petroleum & Chemical Corporation | 1911 |
7 |
| NGK Insulators, Ltd. | 5103 |
6 |
| Shell Internationale Research Maatschappij B.V. | 3557 |
5 |
| Hyundai Motor Company | 22369 |
5 |
| Dow Global Technologies LLC | 10437 |
5 |
| BP p.l.c. | 517 |
5 |
| Sekisui Chemical Co., Ltd. | 3472 |
5 |
| BP (China) Holdings Limited | 39 |
5 |
| Shell Oil Company | 2138 |
4 |
| Kia Motors Corporation | 7751 |
4 |
| Mitsubishi Chemical Corporation | 4579 |
4 |
| Daicel Corporation | 2380 |
4 |
| Other owners | 207 |