- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 29/90 - Regeneration or reactivation
Patent holdings for IPC class B01J 29/90
Total number of patents in this class: 389
10-year publication summary
|
40
|
25
|
41
|
22
|
25
|
18
|
22
|
16
|
16
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4240 |
32 |
| ExxonMobil Chemical Patents Inc. | 4016 |
30 |
| Chevron Phillips Chemical Company LP | 1836 |
24 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 675 |
20 |
| ExxonMobil Research And Engineering Company | 2589 |
18 |
| Saudi Arabian Oil Company | 12911 |
15 |
| BASF SE | 20874 |
12 |
| Chevron U.S.A. Inc. | 3939 |
12 |
| Total Research & Technology Feluy | 446 |
12 |
| China Petroleum & Chemical Corporation | 1881 |
10 |
| Dow Global Technologies LLC | 10385 |
9 |
| IFP Energies Nouvelles | 2942 |
6 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 264 |
6 |
| Sumitomo Chemical Company, Limited | 9027 |
5 |
| Exelus, Inc. | 31 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3553 |
4 |
| BASF Corporation | 1717 |
4 |
| Shell Oil Company | 2141 |
4 |
| AMG Chemistry and Catalysis Consulting, LLC | 4 |
4 |
| BP Chemicals Limited | 92 |
4 |
| Other owners | 153 |