- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/283 - Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group by hydrogenation of unsaturated carbon-to-carbon bonds
Patent holdings for IPC class C07C 67/283
Total number of patents in this class: 39
10-year publication summary
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2
|
2
|
2
|
1
|
2
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0
|
1
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4
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2
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DSM IP Assets B.V. | 5590 |
6 |
| Showa Denko K.K. | 2226 |
4 |
| Firmenich SA | 1683 |
4 |
| Bracco Imaging S.p.A. | 317 |
3 |
| Christian-albrechts-universitat zu Kiel | 236 |
2 |
| Hanwha Chemical Corporation | 320 |
2 |
| Solvias AG | 37 |
2 |
| Resonac Corporation | 2815 |
2 |
| BASF SE | 20915 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5662 |
1 |
| Celtic Catalysts Limited | 3 |
1 |
| Cognis IP Management GmbH | 634 |
1 |
| Consejo Superior de Investigaciones Cientificas | 866 |
1 |
| Eastman Chemical Company | 2218 |
1 |
| Kyushu University, National University Corporation | 1658 |
1 |
| Materia, Inc. | 73 |
1 |
| National & Kapodistrian University of Athens | 3 |
1 |
| Universidad de Oviedo | 56 |
1 |
| Demeta | 18 |
1 |
| Institut des Sciences et Industries du Vivant et de l'Environnement - Agroparistech | 25 |
1 |
| Other owners | 2 |