- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 211/57 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton
Patent holdings for IPC class C07C 211/57
Total number of patents in this class: 79
10-year publication summary
|
3
|
5
|
3
|
4
|
7
|
12
|
9
|
6
|
3
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17883 |
15 |
| Idemitsu Kosan Co., Ltd. | 4213 |
8 |
| Duk San Neolux Co., Ltd. | 691 |
7 |
| Merck Patent GmbH | 5669 |
6 |
| JW Pharmaceutical Corporation | 81 |
4 |
| Samsung Display Co., Ltd. | 38092 |
3 |
| SFC Co., Ltd. | 335 |
3 |
| Canon Inc. | 42633 |
2 |
| Sumitomo Chemical Company, Limited | 9015 |
2 |
| Cambridge Display Technology Limited | 484 |
2 |
| Celgene Corporation | 1392 |
2 |
| Hodogaya Chemical Co., Ltd. | 428 |
2 |
| Lanxess Solutions US, Inc. | 103 |
2 |
| LT Materials Co., Ltd. | 440 |
2 |
| P&H Tech Co., Ltd | 50 |
2 |
| Samsung Electronics Co., Ltd. | 155224 |
1 |
| E. I. du Pont de Nemours and Company | 3632 |
1 |
| Bayer Cropscience AG | 1878 |
1 |
| FUJIFILM Corporation | 30327 |
1 |
| Amazon Technologies, Inc. | 27873 |
1 |
| Other owners | 12 |