- 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: 396
10-year publication summary
|
31
|
27
|
23
|
31
|
27
|
30
|
12
|
24
|
11
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1767 |
30 |
| BASF Mobile Emissions Catalysts LLC | 425 |
18 |
| BASF Corporation | 1679 |
16 |
| Archer Daniels Midland Company | 1075 |
16 |
| BASF SE | 21320 |
14 |
| Celanese International Corporation | 912 |
9 |
| Umicore AG & Co. KG | 850 |
8 |
| China Petroleum & Chemical Corporation | 2169 |
7 |
| Nissan Motor Co., Ltd. | 13016 |
6 |
| NGK Insulators, Ltd. | 5173 |
6 |
| BP p.l.c. | 539 |
6 |
| Riken | 1720 |
6 |
| Tosoh Corporation | 1418 |
6 |
| BP (China) Holdings Limited | 43 |
6 |
| Hyundai Motor Company | 24852 |
5 |
| Dow Global Technologies LLC | 11008 |
5 |
| Sekisui Chemical Co., Ltd. | 3638 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3391 |
4 |
| Kia Motors Corporation | 7717 |
4 |
| Mitsubishi Chemical Corporation | 4738 |
4 |
| Other owners | 215 |