- 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: 205
10-year publication summary
|
16
|
10
|
15
|
12
|
11
|
7
|
6
|
5
|
10
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boehringer Ingelheim International GmbH | 4480 |
23 |
| F. Hoffmann-La Roche AG | 7792 |
6 |
| Hoffmann-La Roche Inc. | 3849 |
6 |
| Bristol-myers Squibb Company | 4761 |
5 |
| Concert Pharmaceuticals, Inc. | 242 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11136 |
4 |
| Chiesi Farmaceutici S.p.A. | 953 |
4 |
| Sun Pharmaceutical Industries Inc | 248 |
4 |
| Centre National de La Recherche Scientifique | 11122 |
3 |
| Cellixbio Private Limited | 142 |
3 |
| EA Pharma Co., Ltd. | 98 |
3 |
| Eli Lilly and Company | 4135 |
3 |
| Guangdong Zhongsheng Pharmaceutical Co., Ltd | 26 |
3 |
| Ideaya Biosciences, Inc. | 164 |
3 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 3313 |
3 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 879 |
3 |
| Universite D'aix-marseille | 941 |
3 |
| Guangdong Raynovent Biotech Co., Ltd. | 55 |
3 |
| Rhizen Pharmaceuticals AG | 57 |
3 |
| Sandoz AG | 1412 |
2 |
| Other owners | 113 |