- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 38/66 - Liquid treating or treating in liquid phase, e.g. dissolved or suspended using alkaline materialLiquid treating or treating in liquid phase, e.g. dissolved or suspended using salts using ammonia or derivatives thereof
Patent holdings for IPC class B01J 38/66
Total number of patents in this class: 49
10-year publication summary
|
3
|
2
|
10
|
4
|
2
|
2
|
1
|
2
|
0
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shell Internationale Research Maatschappij B.V. | 3548 |
5 |
| Arkema France | 4154 |
5 |
| The Chugoku Electric Power Co., Inc. | 513 |
4 |
| Shell USA, Inc. | 1225 |
3 |
| Dow Global Technologies LLC | 10360 |
2 |
| Chevron U.S.A. Inc. | 3967 |
2 |
| Anellotech, Inc. | 76 |
2 |
| Chevron Phillips Chemical Company LP | 1833 |
2 |
| Council of Scientific & Industrial Research | 1427 |
2 |
| Topsoe A/S | 898 |
2 |
| BASF SE | 20940 |
1 |
| Evonik Degussa GmbH | 1525 |
1 |
| Corning Incorporated | 10275 |
1 |
| Catalytic Distillation Technologies | 123 |
1 |
| CoaLogix Technology Holdings Inc. | 3 |
1 |
| Conser SpA | 16 |
1 |
| Cormetech, Inc. | 38 |
1 |
| Eurecat S.A. | 90 |
1 |
| IFP Energies Nouvelles (ifpen) | 2 |
1 |
| Indian Oil Corporation Limited | 335 |
1 |
| Other owners | 10 |