- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 239/86 - Quinazolines; Hydrogenated quinazolines with hetero atoms directly attached in position 4
Patent holdings for IPC class C07D 239/86
Total number of patents in this class: 72
10-year publication summary
|
7
|
5
|
6
|
7
|
2
|
4
|
4
|
5
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pfizer Inc. | 3368 |
7 |
| The Trustees of Columbia University in the City of New York | 3524 |
5 |
| NY State Psychiatric Institute | 7 |
5 |
| Merck Patent GmbH | 5842 |
2 |
| Sumitomo Chemical Company, Limited | 8988 |
2 |
| Vertex Pharmaceuticals Incorporated | 1568 |
2 |
| Gilead Sciences, Inc. | 1951 |
2 |
| Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences | 119 |
2 |
| Joint Stock Company "BIOCAD" | 174 |
2 |
| Laurus Labs Private Limited | 67 |
2 |
| Liverpool School of Tropical Medicine | 28 |
2 |
| The University of Liverpool | 297 |
2 |
| Xuanzhu Pharma Co., Ltd. | 52 |
2 |
| Eisai R&D Management Co., Ltd. | 1274 |
2 |
| Jiangsu Concord Biotechnology Co., Ltd. | 4 |
2 |
| Bristol-myers Squibb Company | 4863 |
1 |
| Glaxosmithkline LLC | 539 |
1 |
| Sandoz AG | 1405 |
1 |
| FUJIFILM Corporation | 28805 |
1 |
| Glaxosmithkline Intellectual Property Development Limited | 737 |
1 |
| Other owners | 26 |