- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 491/00 - Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or
Patent holdings for IPC class C07D 491/00
Total number of patents in this class: 270
10-year publication summary
|
11
|
4
|
1
|
4
|
5
|
3
|
4
|
1
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Sharp & Dohme LLC | 3734 |
20 |
| Bristol-myers Squibb Company | 4757 |
9 |
| Janssen Pharmaceutica N.V. | 3150 |
5 |
| Abbvie Inc. | 1798 |
4 |
| Medshine Discovery Inc. | 588 |
4 |
| Merck Patent GmbH | 5742 |
3 |
| The Regents of the University of Michigan | 5030 |
3 |
| Idemitsu Kosan Co., Ltd. | 4269 |
3 |
| Adipharm EAD | 22 |
3 |
| Chia Tai Tianqing Pharmaceutical Group Co., Ltd. | 780 |
3 |
| Glenmark Pharmaceuticals S.A. | 115 |
3 |
| Incyte Corporation | 1070 |
3 |
| Intra-Cellular Therapies, Inc. | 438 |
3 |
| Nerviano Medical Sciences S.r.l. | 235 |
3 |
| SpecGx LLC | 186 |
3 |
| Pharmacosmos A/S | 64 |
3 |
| Pharmacosmos Holding A/S | 202 |
3 |
| Sanofi | 4323 |
3 |
| Glaxo Group Limited | 4336 |
2 |
| Wyeth LLC | 601 |
2 |
| Other owners | 185 |