- All sections
- C - Chemistry; metallurgy
- 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: 445
10-year publication summary
|
29
|
54
|
35
|
21
|
29
|
20
|
11
|
22
|
17
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JNC Corporation | 1527 |
33 |
| JNC Petrochemical Corporation | 425 |
28 |
| DIC Corporation | 3597 |
15 |
| Chisso Petrochemical Corporation | 66 |
13 |
| LG Chem, Ltd. | 17205 |
11 |
| Daikin Industries, Ltd. | 9495 |
10 |
| Chisso Corporation | 70 |
9 |
| Sumitomo Chemical Company, Limited | 8808 |
7 |
| Kyoto University | 2732 |
7 |
| Samsung Display Co., Ltd. | 30585 |
6 |
| Merck Patent GmbH | 5909 |
6 |
| AGC Seimi Chemical Co., Ltd. | 71 |
6 |
| FUJIFILM Corporation | 27102 |
5 |
| Ajinomoto Co., Inc. | 2337 |
5 |
| British Columbia Cancer Agency Branch | 195 |
5 |
| Osaka University | 3143 |
5 |
| Peloton Therapeutics, Inc. | 35 |
5 |
| Zhejiang Ausun Pharmaceutical Co., Ltd. | 27 |
5 |
| Industrial Technology Research Institute | 4898 |
4 |
| Asahi Glass Company, Limited | 2985 |
4 |
| Other owners | 256 |