- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 35/44 - Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a ring other than a six-membered aromatic ring polycyclic, at least one hydroxy group bound to a condensed ring system with a hydroxy group on a condensed ring system having more than three rings
Patent holdings for IPC class C07C 35/44
Total number of patents in this class: 37
10-year publication summary
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JSR Corporation | 2532 |
2 |
| Fieldpoint (Cyprus) Limited | 143 |
2 |
| Florida State University Research Foundation, Inc. | 769 |
2 |
| Nano-C, Inc. | 72 |
2 |
| Osaka University | 3397 |
2 |
| 3m Innovative Properties Company | 17771 |
1 |
| Merck Patent GmbH | 5767 |
1 |
| Cheil Industries Inc. | 847 |
1 |
| Tsinghua University | 5966 |
1 |
| Toray Industries, Inc. | 7000 |
1 |
| Korea Institute of Science and Technology | 2145 |
1 |
| Contemporary Amperex Technology Co., Limited | 7158 |
1 |
| The Doshisha | 226 |
1 |
| Instytut Farmaceutyczny | 19 |
1 |
| The Kitasato Institute | 151 |
1 |
| Kyoto University | 2828 |
1 |
| N.E. Chemcat Corporation | 188 |
1 |
| Pacific Arrow Limited | 13 |
1 |
| Reata Pharmaceuticals, Inc. | 117 |
1 |
| Sami Labs Limited | 105 |
1 |
| Other owners | 12 |