- 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: 378
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 | 1777 |
28 |
| Archer Daniels Midland Company | 1130 |
16 |
| BASF Mobile Emissions Catalysts LLC | 414 |
16 |
| BASF Corporation | 1713 |
15 |
| BASF SE | 21083 |
13 |
| Celanese International Corporation | 915 |
9 |
| Umicore AG & Co. KG | 860 |
8 |
| Nissan Motor Co., Ltd. | 12615 |
7 |
| China Petroleum & Chemical Corporation | 1941 |
7 |
| NGK Insulators, Ltd. | 5134 |
6 |
| Shell Internationale Research Maatschappij B.V. | 3541 |
5 |
| Hyundai Motor Company | 22700 |
5 |
| Dow Global Technologies LLC | 10509 |
5 |
| BP p.l.c. | 516 |
5 |
| Sekisui Chemical Co., Ltd. | 3480 |
5 |
| BP (China) Holdings Limited | 39 |
5 |
| Shell Oil Company | 2135 |
4 |
| Kia Motors Corporation | 7743 |
4 |
| Mitsubishi Chemical Corporation | 4596 |
4 |
| Daicel Corporation | 2402 |
4 |
| Other owners | 207 |