- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their 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: 255
10-year publication summary
|
20
|
16
|
25
|
21
|
20
|
18
|
5
|
25
|
11
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IFP Energies Nouvelles | 2717 |
29 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
10 |
| BP p.l.c. | 498 |
8 |
| Arkema France | 3790 |
7 |
| Catalyst Recovery Europe S.A. | 6 |
6 |
| Shell USA, Inc. | 1074 |
6 |
| ExxonMobil Research And Engineering Company | 2830 |
5 |
| Eurecat S.A. | 85 |
5 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
5 |
| Nippon Steel Corporation | 5649 |
5 |
| BASF SE | 19740 |
4 |
| Archer Daniels Midland Company | 1164 |
4 |
| JX Nippon Oil & Energy Corporation | 1019 |
4 |
| North Carolina State University | 1492 |
4 |
| Sasol Technology (Proprietary) Limited | 250 |
4 |
| Saudi Arabian Oil Company | 11322 |
4 |
| Velocys Technologies Limited | 70 |
4 |
| Dow Global Technologies LLC | 10147 |
3 |
| Erasteel | 25 |
3 |
| Johnson Matthey Davy Technologies Limited | 216 |
3 |
| Other owners | 132 |