• 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: 78

10-year publication summary

3
3
5
3
4
7
12
9
6
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
LG Chem, Ltd.
17632
15
Idemitsu Kosan Co., Ltd.
4219
9
Duk San Neolux Co., Ltd.
651
7
Merck Patent GmbH
5831
6
Samsung Display Co., Ltd.
34696
3
SFC Co., Ltd.
321
3
Canon Inc.
39888
2
Sumitomo Chemical Company, Limited
9046
2
Cambridge Display Technology Limited
496
2
Celgene Corporation
1401
2
Hodogaya Chemical Co., Ltd.
434
2
JW Pharmaceutical Corporation
76
2
Lanxess Solutions US, Inc.
107
2
LT Materials Co., Ltd.
406
2
P&H Tech Co., Ltd
45
2
Samsung Electronics Co., Ltd.
146092
1
E. I. du Pont de Nemours and Company
4082
1
Bayer Cropscience AG
2035
1
FUJIFILM Corporation
29367
1
Semiconductor Energy Laboratory Co., Ltd.
11403
1
Other owners 12