- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/34 - Manganese
Patent holdings for IPC class B01J 23/34
Total number of patents in this class: 939
10-year publication summary
79
|
62
|
91
|
67
|
94
|
78
|
46
|
68
|
45
|
1
|
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 | 1850 |
32 |
BASF Corporation | 1822 |
23 |
SABIC Global Technologies B.V. | 4193 |
18 |
BASF Mobile Emissions Catalysts LLC | 255 |
18 |
Lummus Technology LLC | 391 |
14 |
IFP Energies Nouvelles | 2818 |
13 |
Murata Manufacturing Co., Ltd. | 23648 |
12 |
Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 640 |
12 |
Dow Global Technologies LLC | 10143 |
11 |
BP p.l.c. | 501 |
11 |
Centre National de La Recherche Scientifique | 10068 |
10 |
ExxonMobil Chemical Patents Inc. | 4117 |
10 |
Siemens AG | 24572 |
9 |
Toyota Motor Corporation | 30345 |
9 |
Uop LLC | 4187 |
9 |
Siluria Technologies, Inc. | 37 |
9 |
University of Connecticut | 814 |
9 |
BP (China) Holdings Limited | 35 |
9 |
Korea Institute of Science and Technology | 2069 |
8 |
Asahi Kasei Chemicals Corporation | 722 |
8 |
Other owners | 685 |