- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 45/74 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by reactions not involving the formation of C=O groups by isomerisationPreparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation 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: 155
10-year publication summary
|
14
|
6
|
7
|
11
|
15
|
6
|
15
|
6
|
6
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20458 |
15 |
| The Regents of the University of California | 19572 |
6 |
| DSM IP Assets B.V. | 5790 |
6 |
| BP Corporation North America Inc. | 764 |
6 |
| Eastman Chemical Company | 2261 |
6 |
| Unigen, Inc. | 116 |
6 |
| Kao Corporation | 4921 |
5 |
| Dow Global Technologies LLC | 10177 |
4 |
| Evonik Operations GmbH | 4030 |
4 |
| Givaudan SA | 1823 |
3 |
| Oxea GmbH | 66 |
3 |
| Corteva Agriscience LLC | 2679 |
3 |
| Evonik Oxeno GmbH & Co. KG | 304 |
3 |
| LG Chem, Ltd. | 17657 |
2 |
| Evonik Degussa GmbH | 1555 |
2 |
| Evonik Oxeno GmbH | 60 |
2 |
| Arkema France | 3895 |
2 |
| Godavari Biorefineries Limited | 38 |
2 |
| JNC Corporation | 1532 |
2 |
| Rhodia Operations | 1589 |
2 |
| Other owners | 71 |