- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 45/58 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds from heterocyclic compounds with oxygen as the only hetero atom in three-membered rings
Patent holdings for IPC class C07C 45/58
Total number of patents in this class: 54
10-year publication summary
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5
|
2
|
6
|
7
|
5
|
7
|
1
|
1
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1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lonza Ltd. | 614 |
6 |
| Evonik Operations GmbH | 4174 |
6 |
| DSM IP Assets B.V. | 5572 |
4 |
| Evonik Degussa GmbH | 1489 |
3 |
| Bayer Cropscience AG | 2014 |
2 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1380 |
2 |
| Eastman Chemical Company | 2207 |
2 |
| Hanwha Chemical Corporation | 315 |
2 |
| Universidad Politecnica de Valencia (upv) | 18 |
2 |
| Hanwha Solutions Corporation | 885 |
2 |
| BASF SE | 21017 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3557 |
1 |
| AstraZeneca AB | 2886 |
1 |
| Bayer Intellectual Property GmbH | 2487 |
1 |
| Shell Oil Company | 2138 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5010 |
1 |
| BASF Agro B.V., Arnhem (nl), Zurich Branch | 6 |
1 |
| Center National de La Recherche Scientifique - Cnrs | 7 |
1 |
| Changshu 3F Zhonghao; New Chemical Materials Co., Ltd. | 16 |
1 |
| Cornell University | 3339 |
1 |
| Other owners | 13 |