- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 491/02 - 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 in which the condensed system contains two hetero rings
Patent holdings for IPC class C07D 491/02
Total number of patents in this class: 158
10-year publication summary
|
9
|
1
|
4
|
2
|
4
|
3
|
4
|
3
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4849 |
8 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
8 |
| Merck Sharp & Dohme LLC | 3753 |
6 |
| Biosplice Therapeutics, Inc. | 171 |
4 |
| Boehringer Ingelheim International GmbH | 4640 |
3 |
| Sumitomo Chemical Company, Limited | 9079 |
3 |
| Celgene International II Sàrl | 30 |
3 |
| Forest Laboratories Holdings Limited | 72 |
3 |
| Incyte Holdings Corporation | 665 |
3 |
| Plexxikon Inc. | 148 |
3 |
| Samsung Electronics Co., Ltd. | 147787 |
2 |
| Hoffmann-La Roche Inc. | 3478 |
2 |
| The Regents of the University of California | 20108 |
2 |
| Genentech, Inc. | 4009 |
2 |
| Merck Patent GmbH | 5767 |
2 |
| Samsung SDI Co., Ltd. | 8622 |
2 |
| ArQule, Inc. | 135 |
2 |
| Array BioPharma Inc. | 498 |
2 |
| Astex Therapeutics Limited | 242 |
2 |
| Carna Biosciences, Inc. | 64 |
2 |
| Other owners | 94 |