- 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: 165
10-year publication summary
|
10
|
11
|
10
|
14
|
15
|
6
|
3
|
10
|
10
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10223 |
7 |
| MannKind Corporation | 525 |
6 |
| Novomer, Inc. | 213 |
5 |
| Biojiva LLC | 62 |
5 |
| Sumitomo Chemical Company, Limited | 9051 |
3 |
| Osaka University | 3355 |
3 |
| Zhejiang Hisun Pharmaceutical Co., Ltd. | 290 |
3 |
| Oriental (Luzhou) Agrochemicals. Co., Ltd. | 15 |
3 |
| Cheminova A/S | 143 |
3 |
| Mitsubishi Chemical UK Limited | 91 |
3 |
| BASF SE | 21146 |
2 |
| Boehringer Ingelheim International GmbH | 4576 |
2 |
| DSM IP Assets B.V. | 5456 |
2 |
| Mitsubishi Chemical Corporation | 4671 |
2 |
| JSR Corporation | 2535 |
2 |
| Central Glass Company, Limited | 1282 |
2 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 685 |
2 |
| Polynt Composites USA Inc. | 155 |
2 |
| Sirrus, Inc. | 48 |
2 |
| Symrise AG | 1792 |
2 |
| Other owners | 104 |