- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 309/40 - Oxygen atoms attached in positions 3 and 4, e.g. maltol
Patent holdings for IPC class C07D 309/40
Total number of patents in this class: 87
10-year publication summary
|
3
|
6
|
9
|
4
|
7
|
4
|
8
|
3
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shionogi & Co., Ltd. | 852 |
10 |
| Shield TX (UK) Ltd. | 31 |
8 |
| Theravance Biopharma R&D IP, LLC | 456 |
5 |
| Celgene Corporation | 1397 |
4 |
| Gilead Sciences, Inc. | 2035 |
4 |
| ViiV Healthcare Company | 154 |
4 |
| The Regents of the University of California | 19989 |
3 |
| Anhui Jinhe Industrial Co., Ltd. | 88 |
3 |
| Chanel Parfums Beaute | 268 |
3 |
| Eastman Chemical Company | 2216 |
3 |
| Merck Patent GmbH | 5812 |
2 |
| AMOREPACIFIC Corporation | 2844 |
2 |
| Antoxis Limited | 3 |
2 |
| Id4pharma, LLC | 7 |
2 |
| Orion Corporation | 672 |
2 |
| Universita Degli Studi Di Urbino "Carlo Bo" | 28 |
2 |
| SyneuRx International (Taiwan) Corp. | 44 |
2 |
| Blacksmith Medicines, Inc. | 21 |
2 |
| Shield TX (UK) Limited | 4 |
2 |
| Apotex Technologies Inc. | 16 |
1 |
| Other owners | 21 |