- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/30 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
Patent holdings for IPC class C07C 67/30
Total number of patents in this class: 154
10-year publication summary
|
15
|
10
|
12
|
11
|
17
|
16
|
5
|
3
|
10
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 9851 |
7 |
| MannKind Corporation | 527 |
5 |
| Novomer, Inc. | 209 |
5 |
| Biojiva LLC | 46 |
4 |
| Osaka University | 3301 |
3 |
| Zhejiang Hisun Pharmaceutical Co., Ltd. | 270 |
3 |
| Oriental (Luzhou) Agrochemicals. Co., Ltd. | 15 |
3 |
| Cheminova A/S | 164 |
3 |
| Mitsubishi Chemical UK Limited | 105 |
3 |
| BASF SE | 20421 |
2 |
| Boehringer Ingelheim International GmbH | 4750 |
2 |
| Sumitomo Chemical Company, Limited | 8987 |
2 |
| DSM IP Assets B.V. | 5801 |
2 |
| Mitsubishi Chemical Corporation | 4453 |
2 |
| JSR Corporation | 2475 |
2 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 646 |
2 |
| Polynt Composites USA Inc. | 145 |
2 |
| Sirrus, Inc. | 48 |
2 |
| Symrise AG | 1679 |
2 |
| The Texas a & M University System | 1602 |
2 |
| Other owners | 96 |