- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/94 - Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the iron group metals or copper
Patent holdings for IPC class B01J 23/94
Total number of patents in this class: 266
10-year publication summary
|
16
|
25
|
21
|
20
|
18
|
6
|
25
|
13
|
16
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 2893 |
31 |
| Shell Internationale Research Maatschappij B.V. | 3544 |
9 |
| BP p.l.c. | 509 |
9 |
| Catalyst Recovery Europe S.A. | 6 |
6 |
| Shell USA, Inc. | 1190 |
6 |
| ExxonMobil Research And Engineering Company | 2592 |
5 |
| Arkema France | 3987 |
5 |
| Nippon Kayaku Kabushiki Kaisha | 1432 |
5 |
| Nippon Steel Corporation | 6166 |
5 |
| BASF SE | 20777 |
4 |
| Dow Global Technologies LLC | 10354 |
4 |
| Archer Daniels Midland Company | 1111 |
4 |
| Eurecat S.A. | 87 |
4 |
| Johnson Matthey Davy Technologies Limited | 270 |
4 |
| JX Nippon Oil & Energy Corporation | 999 |
4 |
| North Carolina State University | 1555 |
4 |
| Sasol Technology (Proprietary) Limited | 226 |
4 |
| Saudi Arabian Oil Company | 12858 |
4 |
| Velocys Technologies Limited | 74 |
4 |
| China Petroleum & Chemical Corporation | 1869 |
3 |
| Other owners | 142 |