- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/297 - Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groupsPreparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group by hydrogenolysis of functional groups
Patent holdings for IPC class C07C 67/297
Total number of patents in this class: 66
10-year publication summary
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2
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2
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3
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4
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4
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6
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1
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3
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7
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4
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Firmenich SA | 1759 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 6083 |
4 |
| Leo Laboratories Limited | 49 |
4 |
| Kynan Duke IP, LLC | 9 |
4 |
| BASF SE | 21303 |
2 |
| DIC Corporation | 3961 |
2 |
| Eastman Chemical Company | 2081 |
2 |
| Enerkem Inc. | 90 |
2 |
| University of The Witwatersrand, Johannesburg | 146 |
2 |
| Evonik Operations GmbH | 4336 |
2 |
| Roka Furadada, S.L. | 28 |
2 |
| Centre National de La Recherche Scientifique | 11016 |
1 |
| Bayer Cropscience AG | 1846 |
1 |
| Hitachi Chemical Company, Ltd. | 2245 |
1 |
| Hyundai Motor Company | 24602 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6644 |
1 |
| Dow Global Technologies LLC | 10930 |
1 |
| Toray Industries, Inc. | 7096 |
1 |
| Archer Daniels Midland Company | 1075 |
1 |
| Biogen MA Inc. | 937 |
1 |
| Other owners | 25 |