- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/347 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisationPreparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by change of size of the carbon skeleton by increase in the number of carbon atoms by addition to unsaturated carbon-to-carbon bonds
Patent holdings for IPC class C07C 67/347
Total number of patents in this class: 156
10-year publication summary
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13
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13
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12
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9
|
9
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6
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9
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5
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6
|
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
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8996 |
6 |
| Amyris, Inc. | 371 |
6 |
| Mitsubishi Gas Chemical Company, Inc. | 3619 |
5 |
| SynAffix B.V. | 120 |
5 |
| BASF SE | 21303 |
4 |
| Celgene Corporation | 1411 |
4 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2440 |
4 |
| Boehringer Ingelheim International GmbH | 4493 |
3 |
| Centre National de La Recherche Scientifique | 11016 |
3 |
| Hitachi Chemical Company, Ltd. | 2245 |
3 |
| Mitsubishi Chemical Corporation | 4721 |
3 |
| Henkel AG & Co. KGaA | 10770 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
3 |
| Apeiron Synthesis S.A. | 50 |
3 |
| Biosynthetic Technologies, LLC | 90 |
3 |
| SK Chemicals Co., Ltd. | 651 |
3 |
| Centre National de La Recherche Scientifique (cnrs) | 3017 |
3 |
| Verbio SE | 32 |
3 |
| 3m Innovative Properties Company | 17488 |
2 |
| Conopco, Inc. | 5081 |
2 |
| Other owners | 85 |