- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 201/16 - Separation; Purification; Stabilisation; Use of additives
Patent holdings for IPC class C07C 201/16
Total number of patents in this class: 129
10-year publication summary
|
11
|
13
|
8
|
7
|
2
|
11
|
5
|
6
|
2
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro Deutschland AG | 2429 |
19 |
| BASF SE | 19740 |
12 |
| Josef Meissner GmbH & Co. KG | 22 |
10 |
| Arkema France | 3790 |
8 |
| IFP Energies Nouvelles | 2717 |
7 |
| University of Southern California | 2016 |
6 |
| NORAM International Limited | 21 |
6 |
| Covestro Intellectual Property GmbH & Co. KG | 501 |
6 |
| Angus Chemical Company | 105 |
4 |
| Advancion Corporation | 94 |
4 |
| Bayer Intellectual Property GmbH | 2671 |
3 |
| Daiichi Sankyo Company, Limited | 1829 |
3 |
| Novartis AG | 11238 |
2 |
| E. I. du Pont de Nemours and Company | 4345 |
2 |
| Amgen Inc. | 3779 |
2 |
| Dow Global Technologies LLC | 10147 |
2 |
| Ceca S.A. | 51 |
2 |
| CUF - Quimicos Industriais S.A. | 4 |
2 |
| F.I.S. Fabbrica Italiana Sintetici S.p.A. | 118 |
2 |
| Institut Francais du Petrole | 155 |
2 |
| Other owners | 25 |