- All sections
- C - Chemistry; metallurgy
- 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: 93
10-year publication summary
|
14
|
8
|
6
|
6
|
5
|
3
|
4
|
10
|
3
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
6 |
| DSM IP Assets B.V. | 5856 |
4 |
| BASF SE | 19740 |
3 |
| Honshu Chemical Industry Co., Ltd. | 132 |
3 |
| Maruzen Petrochemical Co., Ltd. | 171 |
3 |
| Soochow University | 1605 |
3 |
| California Institute of Technology | 3884 |
2 |
| Caravan Ingredients Inc. | 81 |
2 |
| Daicel Corporation | 2128 |
2 |
| Ethox Chemicals, LLC | 95 |
2 |
| Kyushu University, National University Corporation | 1572 |
2 |
| Lion Corporation | 757 |
2 |
| Nissan Chemical Industries, Ltd. | 1822 |
2 |
| SK Chemicals Co., Ltd. | 568 |
2 |
| Symrise AG | 1597 |
2 |
| Tohoku University | 2526 |
2 |
| GBS Global Biopharma, Inc. | 27 |
2 |
| Evonik Operations GmbH | 3879 |
2 |
| Euroapi Hungary Limited Liability Company | 17 |
2 |
| LG Chem, Ltd. | 17205 |
1 |
| Other owners | 44 |