- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 45/83 - SeparationPurificationStabilisationUse of additives by change in the physical state, e.g. crystallisation by distillation by extractive distillation
Patent holdings for IPC class C07C 45/83
Total number of patents in this class: 37
10-year publication summary
|
0
|
1
|
3
|
8
|
7
|
1
|
4
|
3
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Chemical Patents Inc. | 3760 |
3 |
| Lyondell Chemical Technology, L.P. | 242 |
3 |
| Braskem S.A. | 481 |
2 |
| Celanese International Corporation | 911 |
2 |
| Johnson Matthey Davy Technologies Limited | 530 |
2 |
| Rohm GmbH | 261 |
2 |
| Linde GmbH | 1375 |
2 |
| Evonik Oxeno GmbH & Co. KG | 369 |
2 |
| BASF SE | 21328 |
1 |
| LG Chem, Ltd. | 17967 |
1 |
| Rohm and Haas Company | 2943 |
1 |
| Compagnie générale des établissements Michelin SCA | 2744 |
1 |
| Baxter International Inc. | 1885 |
1 |
| Baxter Healthcare S.A. | 1393 |
1 |
| Arkema France | 4254 |
1 |
| BP Chemicals Limited | 70 |
1 |
| Dynasep Inc. | 4 |
1 |
| IFP Energies Nouvelles | 3112 |
1 |
| Mitsubishi Gas Chemical Company, Inc. | 3640 |
1 |
| Phasex Corporation | 3 |
1 |
| Other owners | 7 |