- 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: 260
10-year publication summary
|
23
|
24
|
15
|
10
|
7
|
14
|
14
|
16
|
15
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4289 |
30 |
| Shell Internationale Research Maatschappij B.V. | 3493 |
11 |
| IFP Energies Nouvelles | 3015 |
10 |
| ExxonMobil Chemical Patents Inc. | 3879 |
9 |
| Shell Oil Company | 2111 |
7 |
| Korea Institute of Machinery & Materials | 771 |
7 |
| BASF SE | 21131 |
6 |
| Korea Research Institute of Chemical Technology | 1438 |
6 |
| BASF Corporation | 1694 |
5 |
| Chevron U.S.A. Inc. | 4075 |
5 |
| China Petroleum & Chemical Corporation | 2015 |
5 |
| Arkema France | 4177 |
4 |
| Chevron Phillips Chemical Company LP | 1853 |
4 |
| Johnson Matthey Davy Technologies Limited | 485 |
4 |
| Virent, Inc. | 141 |
4 |
| Mitsubishi Power, Ltd. | 1819 |
4 |
| Badger Licensing LLC | 68 |
3 |
| Compagnie Generale des Etablissements Michelin | 4861 |
3 |
| Dow Global Technologies LLC | 10742 |
2 |
| Cypress Semiconductor Corporation | 1623 |
2 |
| Other owners | 129 |