- 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: 282
10-year publication summary
|
24
|
24
|
20
|
14
|
18
|
14
|
26
|
25
|
13
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17786 |
15 |
| Merck Patent GmbH | 5733 |
13 |
| Araxes Pharma LLC | 92 |
7 |
| Neupharma, Inc. | 71 |
6 |
| Rohm and Haas Electronic Materials Korea Ltd. | 333 |
6 |
| Novartis AG | 10450 |
5 |
| Biogen MA Inc. | 926 |
5 |
| Novaled GmbH | 465 |
5 |
| Merck Sharp & Dohme LLC | 3726 |
5 |
| Hoffmann-La Roche Inc. | 3652 |
4 |
| Genentech, Inc. | 4063 |
4 |
| Samsung SDI Co., Ltd. | 9590 |
4 |
| Idemitsu Kosan Co., Ltd. | 4225 |
4 |
| Flexus Biosciences, Inc. | 13 |
4 |
| King Faisal University | 922 |
4 |
| University of Tennessee Research Foundation | 758 |
4 |
| Syngenta Participations AG | 1612 |
3 |
| Vertex Pharmaceuticals Incorporated | 1604 |
3 |
| Blueprint Medicines Corporation | 243 |
3 |
| CHDI Foundation, Inc. | 105 |
3 |
| Other owners | 175 |