- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 69/616 - Esters of carboxylic acids having a carboxyl group bound to an acyclic carbon atom and having a six-membered aromatic ring in the acid moiety polycyclic
Patent holdings for IPC class C07C 69/616
Total number of patents in this class: 56
10-year publication summary
|
5
|
4
|
5
|
2
|
7
|
4
|
2
|
4
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Horizon Therapeutics, LLC | 25 |
3 |
| Mitsubishi Chemical Corporation | 4489 |
2 |
| JSR Corporation | 2514 |
2 |
| Osaka Gas Chemicals Co., Ltd. | 136 |
2 |
| Seed Company Limited | 103 |
2 |
| Tokyo Ohka Kogyo Co., Ltd. | 1549 |
2 |
| The University of Montana | 102 |
2 |
| University of Washington through its Center for Commercialization | 507 |
2 |
| Vectus Biosystems Limited | 35 |
2 |
| Covestro (Netherlands) B.V. | 275 |
2 |
| BASF SE | 20892 |
1 |
| LG Chem, Ltd. | 17594 |
1 |
| Merck Patent GmbH | 5873 |
1 |
| Bayer Intellectual Property GmbH | 2509 |
1 |
| Hitachi Chemical Company, Ltd. | 2356 |
1 |
| FUJIFILM Corporation | 29295 |
1 |
| Showa Denko K.K. | 2258 |
1 |
| Mitsubishi Rayon Co., Ltd. | 917 |
1 |
| The Trustees of the University of Pennsylvania | 4314 |
1 |
| The Board of Trustees of the University of Illinois | 2685 |
1 |
| Other owners | 25 |