- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 51/46 - SeparationPurificationStabilisationUse of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
Patent holdings for IPC class C07C 51/46
Total number of patents in this class: 84
10-year publication summary
|
4
|
5
|
13
|
3
|
2
|
5
|
4
|
6
|
8
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17997 |
10 |
| Eastman Chemical Company | 2109 |
7 |
| Celanese International Corporation | 884 |
5 |
| Naturamide IP LLC | 13 |
5 |
| AMT International, Inc. | 39 |
3 |
| Arkema France | 4237 |
3 |
| BioAmber S.A.S. | 20 |
3 |
| Vitaworks IP, LLC | 18 |
3 |
| Tricoya Technologies Ltd | 35 |
3 |
| Akzo Nobel Chemicals International B.V. | 411 |
2 |
| Chempolis Oy | 27 |
2 |
| IFP Energies Nouvelles | 3127 |
2 |
| INVISTA Technologies S.a.r.l. | 387 |
2 |
| LyondellBasell Acetyls, LLC | 93 |
2 |
| Nouryon Chemicals International B.V. | 652 |
2 |
| Solstice Advanced Materials US, Inc. | 1009 |
2 |
| BASF SE | 21334 |
1 |
| Honeywell International Inc. | 12761 |
1 |
| Sumitomo Chemical Company, Limited | 8995 |
1 |
| DSM IP Assets B.V. | 5405 |
1 |
| Other owners | 24 |