- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 239/42 - One nitrogen atom
Patent holdings for IPC class C07D 239/42
Total number of patents in this class: 1820
10-year publication summary
|
156
|
130
|
140
|
99
|
106
|
103
|
88
|
79
|
74
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Janssen Pharmaceutica N.V. | 3839 |
42 |
| Acetylon Pharmaceuticals, Inc. | 70 |
32 |
| Bristol-myers Squibb Company | 5080 |
30 |
| Novartis AG | 11238 |
27 |
| Boehringer Ingelheim International GmbH | 4629 |
27 |
| Vertex Pharmaceuticals Incorporated | 1581 |
26 |
| BASF SE | 19740 |
25 |
| Merck Sharp & Dohme LLC | 3689 |
24 |
| F. Hoffmann-La Roche AG | 7958 |
23 |
| Corteva Agriscience LLC | 2494 |
22 |
| Takeda Pharmaceutical Company Limited | 2961 |
21 |
| AstraZeneca AB | 3042 |
18 |
| AstraZeneca UK Limited | 768 |
17 |
| Dana-Farber Cancer Institute, Inc. | 2455 |
17 |
| Bayer Pharma AG | 1096 |
15 |
| Cytokinetics, Inc. | 259 |
15 |
| Rigel Pharmaceuticals, Inc. | 613 |
14 |
| Merck Patent GmbH | 5909 |
13 |
| ESSA Pharma Inc. | 40 |
13 |
| Glaxosmithkline LLC | 566 |
12 |
| Other owners | 1387 |