- All sections
- C - Chemistry; metallurgy
- 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: 213
10-year publication summary
|
12
|
24
|
19
|
24
|
12
|
9
|
13
|
7
|
16
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8808 |
21 |
| Tokyo Ohka Kogyo Co., Ltd. | 1481 |
20 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
17 |
| FUJIFILM Corporation | 27102 |
15 |
| JSR Corporation | 2476 |
13 |
| Rohm and Haas Electronic Materials LLC | 637 |
12 |
| Dexerials Corporation | 1826 |
7 |
| Acucela Inc. | 154 |
6 |
| Mitsubishi Materials Corporation | 2378 |
5 |
| San-Apro Limited | 73 |
5 |
| Toyo Gosei Co., Ltd. | 111 |
5 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
4 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
3 |
| Adeka Corporation | 1333 |
3 |
| Mitsubishi Materials Electronic Chemicals Co., Ltd. | 119 |
3 |
| Rhodia Operations | 1645 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| 3m Innovative Properties Company | 18406 |
2 |
| LG Chem, Ltd. | 17205 |
2 |
| International Business Machines Corporation | 60644 |
2 |
| Other owners | 63 |