• 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