- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/06 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing halogen atoms, or nitro or nitroso groups bound to the carbon skeleton
Patent holdings for IPC class C07C 309/06
Total number of patents in this class: 226
10-year publication summary
|
19
|
24
|
12
|
9
|
14
|
8
|
17
|
6
|
9
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8968 |
22 |
| Tokyo Ohka Kogyo Co., Ltd. | 1565 |
19 |
| Shin-Etsu Chemical Co., Ltd. | 6113 |
17 |
| FUJIFILM Corporation | 30543 |
15 |
| JSR Corporation | 2560 |
15 |
| DuPont Electronic Materials International, LLC | 430 |
10 |
| Dexerials Corporation | 1996 |
7 |
| Jicc-02 Co., Ltd. | 275 |
7 |
| Acucela Inc. | 152 |
6 |
| San-Apro Limited | 78 |
6 |
| Mitsubishi Materials Electronic Chemicals Co., Ltd. | 139 |
5 |
| Toyo Gosei Co., Ltd. | 107 |
5 |
| Mitsubishi Gas Chemical Company, Inc. | 3631 |
4 |
| Semiconductor Energy Laboratory Co., Ltd. | 11842 |
3 |
| Adeka Corporation | 1380 |
3 |
| Central Glass Company, Limited | 1295 |
3 |
| Mitsubishi Materials Corporation | 2473 |
3 |
| Samsung Electronics Co., Ltd. | 158156 |
2 |
| 3m Innovative Properties Company | 17484 |
2 |
| LG Chem, Ltd. | 17937 |
2 |
| Other owners | 70 |