- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 51/46 - Separation; Purification; Stabilisation; Use 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: 73
10-year publication summary
|
5
|
9
|
4
|
5
|
13
|
3
|
2
|
5
|
4
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
7 |
| Eastman Chemical Company | 2239 |
7 |
| Naturamide IP LLC | 13 |
5 |
| AMT International, Inc. | 47 |
4 |
| Celanese International Corporation | 879 |
4 |
| Arkema France | 3790 |
3 |
| BioAmber S.A.S. | 20 |
3 |
| Vitaworks IP, LLC | 55 |
3 |
| Tricoya Technologies Ltd | 41 |
3 |
| Honeywell International Inc. | 13799 |
2 |
| Akzo Nobel Chemicals International B.V. | 520 |
2 |
| AMTPacific Co., Ltd. | 10 |
2 |
| INVISTA Technologies S.a.r.l. | 450 |
2 |
| Nouryon Chemicals International B.V. | 508 |
2 |
| BASF SE | 19740 |
1 |
| Sumitomo Chemical Company, Limited | 8808 |
1 |
| DSM IP Assets B.V. | 5856 |
1 |
| Saudi Basic Industries Corporation | 625 |
1 |
| Compagnie générale des établissements Michelin SCA | 2477 |
1 |
| Georgia-Pacific LLC | 116 |
1 |
| Other owners | 18 |