- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/745 - Iron
Patent holdings for IPC class B01J 23/745
Total number of patents in this class: 1604
10-year publication summary
|
117
|
134
|
117
|
114
|
133
|
122
|
120
|
113
|
103
|
57
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17632 |
42 |
| Johnson Matthey Public Limited Company | 1850 |
24 |
| IFP Energies Nouvelles | 2933 |
23 |
| Zeon Corporation | 4077 |
21 |
| Centre National de La Recherche Scientifique | 10418 |
17 |
| Korea Institute of Energy Research | 852 |
16 |
| Saudi Arabian Oil Company | 13155 |
15 |
| Shell Internationale Research Maatschappij B.V. | 3540 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 8715 |
12 |
| BASF Corporation | 1720 |
12 |
| Honeywell International Inc. | 13545 |
11 |
| King Fahd University of Petroleum and Minerals | 1189 |
11 |
| Korea Research Institute of Chemical Technology | 1391 |
11 |
| BASF SE | 20933 |
10 |
| Japan Science and Technology Agency | 1323 |
10 |
| China Petroleum & Chemical Corporation | 1903 |
10 |
| Sasol Technology (Proprietary) Limited | 224 |
10 |
| ExxonMobil Chemical Patents Inc. | 3980 |
9 |
| Korea Institute of Science and Technology | 2115 |
9 |
| Mitsui Mining & Smelting Co., Ltd. | 1482 |
9 |
| Other owners | 1309 |