- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/656 - Manganese, technetium or rhenium
Patent holdings for IPC class B01J 23/656
Total number of patents in this class: 356
10-year publication summary
|
25
|
20
|
31
|
27
|
23
|
31
|
26
|
27
|
12
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1852 |
29 |
| BASF Corporation | 2039 |
24 |
| Archer Daniels Midland Company | 1164 |
16 |
| BASF SE | 19740 |
12 |
| Nissan Motor Co., Ltd. | 12249 |
10 |
| Celanese International Corporation | 879 |
9 |
| Umicore AG & Co. KG | 867 |
8 |
| NGK Insulators, Ltd. | 4589 |
6 |
| China Petroleum & Chemical Corporation | 1623 |
6 |
| Sekisui Chemical Co., Ltd. | 3159 |
6 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
5 |
| Hyundai Motor Company | 19021 |
5 |
| Dow Global Technologies LLC | 10147 |
5 |
| Shell Oil Company | 2196 |
4 |
| Kia Motors Corporation | 7946 |
4 |
| Mitsubishi Chemical Corporation | 4313 |
4 |
| BP p.l.c. | 498 |
4 |
| BP (China) Holdings Limited | 34 |
4 |
| Uop LLC | 4083 |
3 |
| Abengoa Bioenergia Nuevas Tecnologias, S.A. | 37 |
3 |
| Other owners | 189 |