- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 25/18 - Polycyclic aromatic halogenated hydrocarbons
Patent holdings for IPC class C07C 25/18
Total number of patents in this class: 235
10-year publication summary
|
13
|
10
|
10
|
10
|
9
|
8
|
15
|
23
|
18
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30512 |
21 |
| JSR Corporation | 2555 |
18 |
| Shin-Etsu Chemical Co., Ltd. | 6083 |
17 |
| Sumitomo Chemical Company, Limited | 8996 |
12 |
| Tokyo Ohka Kogyo Co., Ltd. | 1560 |
9 |
| Merck Patent GmbH | 5725 |
7 |
| Albemarle Corporation | 483 |
5 |
| BASF SE | 21303 |
4 |
| JNC Corporation | 1548 |
4 |
| P&H Tech Co., Ltd | 57 |
4 |
| Apple Inc. | 58705 |
3 |
| Chisso Petrochemical Corporation | 53 |
3 |
| DIC Corporation | 3961 |
3 |
| JNC Petrochemical Corporation | 329 |
3 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1845 |
3 |
| National University Corporation Hokkaido University | 1366 |
3 |
| Tosoh Corporation | 1414 |
3 |
| DuPont Electronic Materials International, LLC | 426 |
3 |
| Jicc-02 Co., Ltd. | 275 |
3 |
| Samsung Display Co., Ltd. | 38570 |
2 |
| Other owners | 105 |