Patent holdings for IPC class C07C 67/52

Total number of patents in this class: 164

10-year publication summary

9
7
7
8
11
18
13
21
15
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
LG Chem, Ltd.
17737
12
Jeplan, Inc.
40
8
SK Chemicals Co., Ltd.
629
6
IFP Energies Nouvelles
3006
5
Sichuan Jiuzhang Biological Science and Technology Co., Ltd
70
5
Ioniqa Technologies B.V.
43
4
Poseidon Plastics Limited
25
4
Chempet SRL
7
4
Central Glass Company, Limited
1282
3
Honshu Chemical Industry Co., Ltd.
180
3
Theaprin Pharmaceuticals Inc.
33
3
Zeon Corporation
4122
3
Shintech Corporation
8
3
Mitsubishi Chemical UK Limited
92
3
Idemitsu Kosan Co., Ltd.
4231
2
Mitsubishi Chemical Corporation
4666
2
Arkema France
4163
2
DPx Fine Chemicals Austria GmbH & Co KG
8
2
Enzychem Lifesciences Corporation
62
2
Taoka Chemical Co., Ltd.
58
2
Other owners 86