- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 227/40 - Separation; Purification
Patent holdings for IPC class C07C 227/40
Total number of patents in this class: 175
10-year publication summary
|
15
|
15
|
5
|
15
|
16
|
17
|
10
|
8
|
11
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro Deutschland AG | 2429 |
7 |
| Naturamide IP LLC | 13 |
7 |
| BASF SE | 19740 |
6 |
| Bracco Imaging S.p.A. | 322 |
6 |
| OCERA Therapeutics LLC | 18 |
6 |
| Lonza Ltd. | 609 |
5 |
| Arkema France | 3790 |
4 |
| GE Healthcare Limited | 711 |
4 |
| Evonik Operations GmbH | 3879 |
4 |
| Evonik Degussa GmbH | 1574 |
3 |
| Sumitomo Chemical Company, Limited | 8808 |
3 |
| Ajinomoto Co., Inc. | 2337 |
3 |
| F.I.S. Fabbrica Italiana Sintetici S.p.A. | 118 |
3 |
| Hovione Scientia Limited | 136 |
3 |
| INV Nylon Chemicals Americas, LLC | 182 |
3 |
| BASF AG | 1258 |
2 |
| Asklepion Pharmaceuticals, LLC | 10 |
2 |
| CJ Cheiljedang Corporation | 2964 |
2 |
| Jitsubo Co., Ltd. | 16 |
2 |
| OCERA Therapeutics, Inc. | 59 |
2 |
| Other owners | 98 |