- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/293 - Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group by isomerisationPreparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group by change of size of the carbon skeleton
Patent holdings for IPC class C07C 67/293
Total number of patents in this class: 124
10-year publication summary
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9
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11
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12
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9
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9
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12
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10
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3
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10
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Provivi, Inc. | 74 |
7 |
| Shin-Etsu Chemical Co., Ltd. | 5878 |
6 |
| DSM IP Assets B.V. | 5456 |
6 |
| Firmenich SA | 1721 |
6 |
| BASF SE | 21146 |
5 |
| Dermavant Sciences GmbH | 82 |
5 |
| California Institute of Technology | 4015 |
4 |
| Kynan Duke IP, LLC | 8 |
4 |
| Verbio SE | 32 |
4 |
| Massachusetts Institute of Technology | 10183 |
3 |
| Promerus, LLC | 152 |
3 |
| Amgen Inc. | 4304 |
2 |
| Eastman Chemical Company | 2114 |
2 |
| Hetero Research Foundation | 173 |
2 |
| Novamont S.p.A. | 371 |
2 |
| Riken | 1700 |
2 |
| Toyo Gosei Co., Ltd. | 108 |
2 |
| Unimatec Co., Ltd. | 234 |
2 |
| Universitat Ulm | 114 |
2 |
| Melchior Material and Life Science France | 35 |
2 |
| Other owners | 53 |