- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 45/74 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of C=O groups by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing C=O groups with the same or other compounds containing C=O groups combined with dehydration
Patent holdings for IPC class C07C 45/74
Total number of patents in this class: 152
10-year publication summary
|
11
|
14
|
6
|
7
|
11
|
15
|
6
|
15
|
6
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
14 |
| The Regents of the University of California | 18943 |
7 |
| BP Corporation North America Inc. | 776 |
7 |
| DSM IP Assets B.V. | 5856 |
6 |
| Eastman Chemical Company | 2239 |
6 |
| Unigen, Inc. | 118 |
6 |
| Kao Corporation | 4843 |
5 |
| Evonik Operations GmbH | 3879 |
4 |
| Givaudan SA | 1760 |
3 |
| Oxea GmbH | 68 |
3 |
| Evonik Oxeno GmbH & Co. KG | 278 |
3 |
| LG Chem, Ltd. | 17205 |
2 |
| E. I. du Pont de Nemours and Company | 4345 |
2 |
| Evonik Degussa GmbH | 1574 |
2 |
| Evonik Oxeno GmbH | 60 |
2 |
| Firmenich SA | 1612 |
2 |
| Godavari Biorefineries Limited | 37 |
2 |
| JNC Corporation | 1527 |
2 |
| Rhodia Operations | 1645 |
2 |
| Rhodia Poliamida e Especialidades Ltda | 58 |
2 |
| Other owners | 70 |