- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 29/84 - SeparationPurificationStabilisationUse of additives by physical treatment by distillation by extractive distillation
Patent holdings for IPC class C07C 29/84
Total number of patents in this class: 179
10-year publication summary
|
9
|
0
|
11
|
16
|
15
|
20
|
22
|
16
|
13
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese International Corporation | 912 |
18 |
| Shell Internationale Research Maatschappij B.V. | 3391 |
6 |
| Shell Oil Company | 2064 |
6 |
| Gevo, Inc. | 286 |
6 |
| Avantium Knowledge Centre B.V. | 155 |
6 |
| Lummus Technology LLC | 495 |
6 |
| Evonik Operations GmbH | 4430 |
6 |
| Technip Energies France SAS | 28 |
6 |
| BASF SE | 21318 |
5 |
| ICM, Inc. | 89 |
5 |
| LanzaTech, Inc. | 329 |
5 |
| Daicel Corporation | 2575 |
4 |
| Lyondell Chemical Technology, L.P. | 242 |
4 |
| UPM-Kymmene Corporation | 1005 |
4 |
| Uop LLC | 4401 |
3 |
| Archer Daniels Midland Company | 1072 |
3 |
| ENI S.p.A. | 1316 |
3 |
| KH Neochem Co., Ltd. | 70 |
3 |
| Natural Extraction Systems, LLC | 124 |
3 |
| Technip Energies France S.A.S. | 15 |
3 |
| Other owners | 74 |