- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 209/86 - Separation
Patent holdings for IPC class C07C 209/86
Total number of patents in this class: 207
10-year publication summary
|
13
|
8
|
20
|
21
|
10
|
10
|
11
|
13
|
14
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20961 |
27 |
| Covestro Deutschland AG | 2765 |
9 |
| Arkema France | 4162 |
6 |
| Celanese International Corporation | 909 |
6 |
| Vitaworks IP, LLC | 55 |
6 |
| Naturamide IP LLC | 13 |
6 |
| Dow Global Technologies LLC | 10394 |
5 |
| CJ Cheiljedang Corporation | 3440 |
5 |
| Asahi Kasei Kabushiki Kaisha | 2682 |
4 |
| Nouryon Chemicals International B.V. | 607 |
4 |
| Anellotech, Inc. | 77 |
3 |
| Eastman Chemical Company | 2218 |
3 |
| Huntsman International LLC | 721 |
3 |
| IFP Energies Nouvelles | 2948 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3481 |
3 |
| INVISTA North America, LLC | 152 |
3 |
| INV Nylon Chemicals Americas, LLC | 187 |
3 |
| Ajinomoto Co., Inc. | 2290 |
2 |
| Aarhus Universitet | 421 |
2 |
| Amneal Pharmaceuticals LLC | 111 |
2 |
| Other owners | 102 |