- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/745 - Iron
Patent holdings for IPC class B01J 23/745
Total number of patents in this class: 1499
10-year publication summary
97
|
117
|
134
|
117
|
114
|
132
|
121
|
115
|
104
|
33
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Chem, Ltd. | 17205 |
33 |
Johnson Matthey Public Limited Company | 1852 |
25 |
IFP Energies Nouvelles | 2717 |
21 |
Zeon Corporation | 3854 |
19 |
BASF Corporation | 2039 |
18 |
Shell Internationale Research Maatschappij B.V. | 3792 |
16 |
Centre National de La Recherche Scientifique | 9632 |
15 |
Korea Institute of Energy Research | 803 |
14 |
Honeywell International Inc. | 13799 |
11 |
Korea Research Institute of Chemical Technology | 1266 |
11 |
Saudi Arabian Oil Company | 11322 |
11 |
BASF SE | 19740 |
10 |
Japan Science and Technology Agency | 1564 |
10 |
Sasol Technology (Proprietary) Limited | 250 |
10 |
Shell Oil Company | 2196 |
9 |
ExxonMobil Chemical Patents Inc. | 4286 |
9 |
Korea Institute of Science and Technology | 2022 |
9 |
China Petroleum & Chemical Corporation | 1623 |
9 |
Hazer Group Ltd | 13 |
9 |
Mitsui Mining & Smelting Co., Ltd. | 1373 |
9 |
Other owners | 1221 |