- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 29/84 - Separation; Purification; Stabilisation; Use 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: 150
10-year publication summary
|
5
|
3
|
9
|
0
|
11
|
16
|
15
|
19
|
21
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Celanese International Corporation | 879 |
18 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
10 |
| Shell Oil Company | 2196 |
7 |
| Gevo, Inc. | 242 |
6 |
| Evonik Operations GmbH | 3879 |
6 |
| LanzaTech, Inc. | 305 |
5 |
| Shell USA, Inc. | 1074 |
5 |
| BASF SE | 19740 |
4 |
| Uop LLC | 4083 |
3 |
| Archer Daniels Midland Company | 1164 |
3 |
| ICM, Inc. | 69 |
3 |
| Lyondell Chemical Technology, L.P. | 292 |
3 |
| Natural Extraction Systems, LLC | 93 |
3 |
| Lummus Technology LLC | 365 |
3 |
| Compagnie générale des établissements Michelin SCA | 2477 |
2 |
| Braskem S.A. | 441 |
2 |
| ENI S.p.A. | 1241 |
2 |
| IFP Energies Nouvelles | 2717 |
2 |
| Johnson Matthey Davy Technologies Limited | 216 |
2 |
| POET Research, Inc. | 240 |
2 |
| Other owners | 59 |