- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 227/40 - SeparationPurification
Patent holdings for IPC class C07C 227/40
Total number of patents in this class: 189
10-year publication summary
|
15
|
5
|
15
|
16
|
17
|
11
|
8
|
13
|
11
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20915 |
7 |
| Covestro Deutschland AG | 2748 |
7 |
| Naturamide IP LLC | 13 |
7 |
| Bracco Imaging S.p.A. | 317 |
6 |
| Amalive Limited | 17 |
6 |
| Lonza Ltd. | 610 |
5 |
| Arkema France | 4154 |
4 |
| GE Healthcare Limited | 673 |
4 |
| Evonik Operations GmbH | 4110 |
4 |
| Evonik Degussa GmbH | 1527 |
3 |
| Sumitomo Chemical Company, Limited | 9047 |
3 |
| Ajinomoto Co., Inc. | 2293 |
3 |
| F.I.S. Fabbrica Italiana Sintetici S.p.A. | 124 |
3 |
| INV Nylon Chemicals Americas, LLC | 184 |
3 |
| Monsanto Technology LLC | 8289 |
2 |
| JSR Corporation | 2524 |
2 |
| Asklepion Pharmaceuticals, LLC | 12 |
2 |
| Chemi S.p.A. | 48 |
2 |
| CJ Cheiljedang Corporation | 3423 |
2 |
| Council of Scientific & Industrial Research | 1425 |
2 |
| Other owners | 112 |