- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 279/22 - [b, e]-condensed with two six-membered rings with carbon atoms directly attached to the ring nitrogen atom
Patent holdings for IPC class C07D 279/22
Total number of patents in this class: 117
10-year publication summary
|
11
|
11
|
3
|
19
|
4
|
8
|
7
|
8
|
6
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Patent GmbH | 5669 |
13 |
| Crius Technology Group, Inc. | 22 |
11 |
| Board of Trustees of Michigan State University | 1209 |
6 |
| University of Kentucky Research Foundation | 716 |
4 |
| WisTa Laboratories Ltd. | 127 |
4 |
| Samsung Display Co., Ltd. | 38092 |
3 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8473 |
3 |
| Idemitsu Kosan Co., Ltd. | 4213 |
3 |
| Hodogaya Chemical Co., Ltd. | 428 |
3 |
| Rohm and Haas Electronic Materials Korea Ltd. | 332 |
3 |
| Vitro Flat Glass LLC | 503 |
3 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 5484 |
3 |
| Centre National de La Recherche Scientifique | 10914 |
2 |
| Institut Polytechnique de Grenoble | 417 |
2 |
| Solvay SA | 956 |
2 |
| Soochow University | 1770 |
2 |
| LG Chem, Ltd. | 17883 |
1 |
| Sumitomo Chemical Company, Limited | 9015 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5997 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6615 |
1 |
| Other owners | 46 |