- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/29 - Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group by introduction of oxygen-containing functional groups
Patent holdings for IPC class C07C 67/29
Total number of patents in this class: 99
10-year publication summary
|
8
|
6
|
6
|
5
|
3
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4
|
10
|
4
|
9
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29188 |
6 |
| DSM IP Assets B.V. | 5672 |
4 |
| BASF SE | 20728 |
3 |
| Honshu Chemical Industry Co., Ltd. | 160 |
3 |
| Maruzen Petrochemical Co., Ltd. | 178 |
3 |
| Soochow University | 1730 |
3 |
| Pfizer Inc. | 3352 |
2 |
| California Institute of Technology | 3958 |
2 |
| Caravan Ingredients Inc. | 63 |
2 |
| Daicel Corporation | 2323 |
2 |
| Ethox Chemicals, LLC | 93 |
2 |
| Kyushu University, National University Corporation | 1642 |
2 |
| Lion Corporation | 742 |
2 |
| Nissan Chemical Industries, Ltd. | 1733 |
2 |
| SK Chemicals Co., Ltd. | 607 |
2 |
| Symrise AG | 1713 |
2 |
| Teijin Frontier Co., Ltd. | 205 |
2 |
| Tohoku University | 2748 |
2 |
| University of The Witwatersrand, Johannesburg | 145 |
2 |
| GBS Global Biopharma, Inc. | 20 |
2 |
| Other owners | 49 |