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

Principal owners for this class

Owner
All patents
This class
LG Chem, Ltd.
17636
15
Idemitsu Kosan Co., Ltd.
4228
9
Duk San Neolux Co., Ltd.
655
7
Merck Patent GmbH
5814
6
Samsung Display Co., Ltd.
35017
3
SFC Co., Ltd.
321
3
Canon Inc.
40216
2
Sumitomo Chemical Company, Limited
9044
2
Cambridge Display Technology Limited
493
2
Celgene Corporation
1396
2
Hodogaya Chemical Co., Ltd.
434
2
JW Pharmaceutical Corporation
75
2
Lanxess Solutions US, Inc.
107
2
LT Materials Co., Ltd.
408
2
P&H Tech Co., Ltd
46
2
Samsung Electronics Co., Ltd.
147131
1
E. I. du Pont de Nemours and Company
4026
1
Bayer Cropscience AG
2037
1
FUJIFILM Corporation
29489
1
Semiconductor Energy Laboratory Co., Ltd.
11456
1
Other owners 13