- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/90 - Regeneration or reactivation
Patent holdings for IPC class B01J 23/90
Total number of patents in this class: 114
10-year publication summary
|
8
|
6
|
3
|
6
|
5
|
1
|
5
|
6
|
8
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10147 |
11 |
| Uop LLC | 4083 |
9 |
| Chevron U.S.A. Inc. | 3774 |
8 |
| Arkema France | 3790 |
5 |
| IFP Energies Nouvelles | 2717 |
5 |
| Shell USA, Inc. | 1074 |
5 |
| Hindustan Petroleum Corporation Limited | 191 |
4 |
| Chevron Phillips Chemical Company LP | 1779 |
3 |
| Eurecat S.A. | 85 |
3 |
| BASF SE | 19740 |
2 |
| ExxonMobil Research And Engineering Company | 2830 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Evonik Degussa GmbH | 1574 |
2 |
| Dow Technology Investments LLC | 270 |
2 |
| Auburn University | 506 |
2 |
| Mexichem Amanco Holding S.A. de C.V. | 126 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
2 |
| Mitsubishi Power, Ltd. | 1680 |
2 |
| Murata Manufacturing Co., Ltd. | 22355 |
1 |
| Corning Incorporated | 9932 |
1 |
| Other owners | 41 |