- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 38/04 - Gas or vapour treatingTreating by using liquids vaporisable upon contacting spent catalyst
Patent holdings for IPC class B01J 38/04
Total number of patents in this class: 257
10-year publication summary
|
17
|
26
|
24
|
15
|
13
|
7
|
15
|
17
|
16
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4244 |
29 |
| Shell Internationale Research Maatschappij B.V. | 3540 |
11 |
| IFP Energies Nouvelles | 2933 |
10 |
| ExxonMobil Chemical Patents Inc. | 3980 |
9 |
| BASF SE | 20933 |
8 |
| Shell Oil Company | 2140 |
7 |
| Korea Institute of Machinery & Materials | 748 |
7 |
| Chevron U.S.A. Inc. | 3955 |
6 |
| Korea Research Institute of Chemical Technology | 1391 |
6 |
| BASF Corporation | 1720 |
5 |
| Chevron Phillips Chemical Company LP | 1838 |
5 |
| China Petroleum & Chemical Corporation | 1903 |
5 |
| Arkema France | 4110 |
4 |
| Mitsubishi Power, Ltd. | 1762 |
4 |
| Badger Licensing LLC | 69 |
3 |
| Compagnie Generale des Etablissements Michelin | 4743 |
3 |
| Sumitomo Chemical Company, Limited | 9046 |
2 |
| Dow Global Technologies LLC | 10363 |
2 |
| Cypress Semiconductor Corporation | 1770 |
2 |
| The Johns Hopkins University | 5667 |
2 |
| Other owners | 127 |