- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 473/04 - Heterocyclic compounds containing purine ring systems with oxygen, sulfur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
Patent holdings for IPC class C07D 473/04
Total number of patents in this class: 215
10-year publication summary
|
16
|
10
|
13
|
11
|
11
|
7
|
5
|
5
|
8
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boehringer Ingelheim International GmbH | 4567 |
30 |
| F. Hoffmann-La Roche AG | 7847 |
6 |
| Hoffmann-La Roche Inc. | 3659 |
6 |
| Bristol-myers Squibb Company | 4821 |
5 |
| Concert Pharmaceuticals, Inc. | 246 |
5 |
| Centre National de La Recherche Scientifique | 10856 |
4 |
| Chiesi Farmaceutici S.p.A. | 964 |
4 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 3114 |
4 |
| Sun Pharmaceutical Industries Inc | 226 |
4 |
| Universite D'aix-marseille | 915 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10975 |
3 |
| Cellixbio Private Limited | 144 |
3 |
| EA Pharma Co., Ltd. | 93 |
3 |
| Eli Lilly and Company | 4016 |
3 |
| Guangdong Zhongsheng Pharmaceutical Co., Ltd | 25 |
3 |
| Ideaya Biosciences, Inc. | 144 |
3 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 857 |
3 |
| Guangdong Raynovent Biotech Co., Ltd. | 50 |
3 |
| Rhizen Pharmaceuticals AG | 56 |
3 |
| Sandoz AG | 1402 |
2 |
| Other owners | 114 |