- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 38/48 - Liquid treating or treating in liquid phase, e.g. dissolved or suspended
Patent holdings for IPC class B01J 38/48
Total number of patents in this class: 221
10-year publication summary
|
19
|
19
|
12
|
21
|
11
|
13
|
13
|
14
|
9
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron U.S.A. Inc. | 3774 |
18 |
| IFP Energies Nouvelles | 2717 |
11 |
| Dow Global Technologies LLC | 10147 |
8 |
| Chevron Phillips Chemical Company LP | 1779 |
8 |
| Mitsubishi Power, Ltd. | 1680 |
7 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
6 |
| BASF SE | 19740 |
5 |
| The Chugoku Electric Power Co., Inc. | 498 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
4 |
| Uop LLC | 4083 |
4 |
| Archer Daniels Midland Company | 1164 |
4 |
| STEAG Energy Services GmbH | 22 |
4 |
| Shell USA, Inc. | 1074 |
4 |
| Xerox Corporation | 7503 |
3 |
| ExxonMobil Chemical Patents Inc. | 4286 |
3 |
| Cummins Emission Solutions, Inc. | 480 |
3 |
| Nanocomp Technologies, Inc. | 101 |
3 |
| Shanghai Huachang Environmental Protection Co., Ltd. | 21 |
3 |
| Catalyst Recovery Europe S.A. | 6 |
3 |
| Mitsubishi Chemical UK Limited | 106 |
3 |
| Other owners | 112 |