- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 38/04 - Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
Patent holdings for IPC class B01J 38/04
Total number of patents in this class: 228
10-year publication summary
|
8
|
17
|
26
|
24
|
15
|
13
|
7
|
15
|
14
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4083 |
28 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
12 |
| ExxonMobil Chemical Patents Inc. | 4286 |
10 |
| BASF SE | 19740 |
8 |
| Shell Oil Company | 2196 |
7 |
| Chevron Phillips Chemical Company LP | 1779 |
7 |
| IFP Energies Nouvelles | 2717 |
7 |
| Korea Institute of Machinery & Materials | 677 |
7 |
| Chevron U.S.A. Inc. | 3774 |
6 |
| Korea Research Institute of Chemical Technology | 1266 |
6 |
| BASF Corporation | 2039 |
4 |
| Arkema France | 3790 |
4 |
| China Petroleum & Chemical Corporation | 1623 |
4 |
| Mitsubishi Power, Ltd. | 1680 |
4 |
| Badger Licensing LLC | 72 |
3 |
| Sumitomo Chemical Company, Limited | 8808 |
2 |
| Cypress Semiconductor Corporation | 1642 |
2 |
| Compagnie générale des établissements Michelin SCA | 2477 |
2 |
| Asahi Kasei Chemicals Corporation | 809 |
2 |
| Clariant International Ltd. | 978 |
2 |
| Other owners | 101 |