- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 43/225 - Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring containing halogen
Patent holdings for IPC class C07C 43/225
Total number of patents in this class: 442
10-year publication summary
52
|
35
|
21
|
27
|
20
|
11
|
22
|
17
|
14
|
8
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JNC Corporation | 1561 |
31 |
JNC Petrochemical Corporation | 399 |
27 |
DIC Corporation | 3801 |
13 |
Chisso Petrochemical Corporation | 61 |
12 |
LG Chem, Ltd. | 17635 |
11 |
Daikin Industries, Ltd. | 10027 |
11 |
Chisso Corporation | 64 |
8 |
FUJIFILM Corporation | 29437 |
7 |
Sumitomo Chemical Company, Limited | 9043 |
7 |
Samsung Display Co., Ltd. | 34907 |
6 |
AGC Seimi Chemical Co., Ltd. | 61 |
6 |
Kyoto University | 2801 |
6 |
Peloton Therapeutics, Inc. | 37 |
6 |
Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 199 |
6 |
Merck Patent GmbH | 5815 |
5 |
Ajinomoto Co., Inc. | 2295 |
5 |
British Columbia Cancer Agency Branch | 192 |
5 |
Osaka University | 3379 |
5 |
Zhejiang Ausun Pharmaceutical Co., Ltd. | 36 |
5 |
Industrial Technology Research Institute | 5081 |
4 |
Other owners | 256 |