- 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: 385
10-year publication summary
|
31
|
27
|
23
|
31
|
26
|
30
|
12
|
24
|
11
|
8
|
| 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 | 1761 |
30 |
| BASF Mobile Emissions Catalysts LLC | 430 |
17 |
| BASF Corporation | 1683 |
16 |
| Archer Daniels Midland Company | 1074 |
16 |
| BASF SE | 21150 |
13 |
| Celanese International Corporation | 912 |
9 |
| Umicore AG & Co. KG | 854 |
8 |
| China Petroleum & Chemical Corporation | 2084 |
7 |
| Nissan Motor Co., Ltd. | 12844 |
6 |
| NGK Insulators, Ltd. | 5216 |
6 |
| Hyundai Motor Company | 24037 |
5 |
| Dow Global Technologies LLC | 10830 |
5 |
| BP p.l.c. | 533 |
5 |
| Riken | 1708 |
5 |
| Sekisui Chemical Co., Ltd. | 3577 |
5 |
| Tosoh Corporation | 1389 |
5 |
| BP (China) Holdings Limited | 41 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3442 |
4 |
| Kia Motors Corporation | 7719 |
4 |
| Mitsubishi Chemical Corporation | 4670 |
4 |
| Other owners | 210 |