- 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: 161
10-year publication summary
|
10
|
12
|
11
|
17
|
16
|
6
|
3
|
10
|
11
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10457 |
6 |
| MannKind Corporation | 529 |
6 |
| Biojiva LLC | 58 |
5 |
| Sumitomo Chemical Company, Limited | 9016 |
3 |
| Osaka University | 3269 |
3 |
| Zhejiang Hisun Pharmaceutical Co., Ltd. | 298 |
3 |
| Oriental (Luzhou) Agrochemicals. Co., Ltd. | 15 |
3 |
| Cheminova A/S | 141 |
3 |
| Mitsubishi Chemical UK Limited | 84 |
3 |
| Novomer LLC | 75 |
3 |
| BASF SE | 21292 |
2 |
| Boehringer Ingelheim International GmbH | 4501 |
2 |
| Mitsubishi Chemical Corporation | 4711 |
2 |
| JSR Corporation | 2547 |
2 |
| Central Glass Company, Limited | 1290 |
2 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 701 |
2 |
| Novomer, Inc. | 141 |
2 |
| Polynt Composites USA Inc. | 156 |
2 |
| Sirrus, Inc. | 47 |
2 |
| Symrise AG | 1834 |
2 |
| Other owners | 103 |