- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 475/04 - Heterocyclic compounds containing pteridine ring systems with an oxygen atom directly attached in position 4 with a nitrogen atom directly attached in position 2
Patent holdings for IPC class C07D 475/04
Total number of patents in this class: 280
10-year publication summary
|
13
|
13
|
26
|
51
|
22
|
12
|
12
|
9
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5847 |
25 |
| Merck & Cie | 37 |
25 |
| L.e.a.f. Holdings Group LLC | 96 |
23 |
| PTC Therapeutics, Inc. | 475 |
9 |
| Shiratori Pharmaceutical Co., Ltd. | 16 |
8 |
| Lianyungang Jinkang Hexin Pharmaceutical Co. Ltd. | 20 |
7 |
| JSB Pharma Development, LLC | 9 |
7 |
| Aprofol AG | 21 |
6 |
| Purdue Research Foundation | 3471 |
5 |
| Cerbios-Pharma SA | 25 |
5 |
| Boehringer Ingelheim International GmbH | 4756 |
4 |
| Centre National de La Recherche Scientifique | 10068 |
4 |
| bioMerieux | 927 |
4 |
| Daiichi Sankyo Company, Limited | 1864 |
4 |
| Gilead Sciences, Inc. | 1951 |
4 |
| Asceneuron SA | 25 |
3 |
| CLSN Laboratories, Inc. | 15 |
3 |
| GNOSIS S.p.A. | 113 |
3 |
| Merck Eprova AG | 5 |
3 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 2829 |
3 |
| Other owners | 125 |