- 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: 1707
10-year publication summary
|
134
|
117
|
114
|
133
|
123
|
122
|
114
|
105
|
93
|
65
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17921 |
43 |
| IFP Energies Nouvelles | 3098 |
23 |
| Johnson Matthey Public Limited Company | 1768 |
23 |
| Zeon Corporation | 4147 |
21 |
| Saudi Arabian Oil Company | 14235 |
19 |
| Centre National de La Recherche Scientifique | 11023 |
17 |
| Korea Institute of Energy Research | 898 |
17 |
| King Fahd University of Petroleum and Minerals | 1572 |
15 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
13 |
| BASF Corporation | 1681 |
13 |
| BASF SE | 21303 |
12 |
| Korea Research Institute of Chemical Technology | 1469 |
11 |
| Japan Science and Technology Agency | 1214 |
10 |
| China Petroleum & Chemical Corporation | 2152 |
10 |
| Hazer Group Ltd | 19 |
10 |
| Sasol Technology (Proprietary) Limited | 203 |
10 |
| Shell Internationale Research Maatschappij B.V. | 3403 |
9 |
| The Regents of the University of California | 20745 |
9 |
| Sumitomo Electric Industries, Ltd. | 16331 |
9 |
| ExxonMobil Chemical Patents Inc. | 3776 |
9 |
| Other owners | 1404 |