- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 239/74 - QuinazolinesHydrogenated quinazolines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms of the hetero ring
Patent holdings for IPC class C07D 239/74
Total number of patents in this class: 271
10-year publication summary
|
15
|
24
|
24
|
20
|
14
|
18
|
14
|
26
|
25
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17641 |
12 |
| Merck Patent GmbH | 5812 |
12 |
| Araxes Pharma LLC | 92 |
7 |
| Neupharma, Inc. | 72 |
6 |
| Rohm and Haas Electronic Materials Korea Ltd. | 330 |
6 |
| Novartis AG | 10741 |
5 |
| Biogen MA Inc. | 895 |
5 |
| Merck Sharp & Dohme LLC | 3749 |
5 |
| Hoffmann-La Roche Inc. | 3447 |
4 |
| Genentech, Inc. | 3978 |
4 |
| Samsung SDI Co., Ltd. | 8412 |
4 |
| Idemitsu Kosan Co., Ltd. | 4227 |
4 |
| Flexus Biosciences, Inc. | 13 |
4 |
| King Faisal University | 919 |
4 |
| Novaled GmbH | 445 |
4 |
| University of Tennessee Research Foundation | 754 |
4 |
| Syngenta Participations AG | 1904 |
3 |
| Vertex Pharmaceuticals Incorporated | 1602 |
3 |
| Blueprint Medicines Corporation | 235 |
3 |
| CHDI Foundation, Inc. | 106 |
3 |
| Other owners | 169 |