- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/07 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing oxygen atoms bound to the carbon skeleton
Patent holdings for IPC class C07C 309/07
Total number of patents in this class: 56
10-year publication summary
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5
|
10
|
3
|
2
|
2
|
2
|
2
|
4
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0
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30010 |
7 |
| JSR Corporation | 2546 |
7 |
| Shin-Etsu Chemical Co., Ltd. | 5842 |
6 |
| Sumitomo Chemical Company, Limited | 9039 |
5 |
| Tokyo Ohka Kogyo Co., Ltd. | 1555 |
4 |
| DuPont Electronic Materials International, LLC | 424 |
3 |
| Mitsubishi Materials Electronic Chemicals Co., Ltd. | 135 |
2 |
| Plas-free Ltd | 13 |
2 |
| Specialty Operations France | 884 |
2 |
| Bristol-myers Squibb Company | 4795 |
1 |
| 3m Innovative Properties Company | 17614 |
1 |
| Tokyo Electron Limited | 13336 |
1 |
| Daikin Industries, Ltd. | 10214 |
1 |
| Eras-labo | 3 |
1 |
| Esperion Therapeutics, Inc. | 66 |
1 |
| Inke, S.A. | 37 |
1 |
| Institut National Polytechnique de Grenoble | 25 |
1 |
| Mitsubishi Materials Corporation | 2470 |
1 |
| Osaka University | 3360 |
1 |
| The Penn State Research Foundation | 1564 |
1 |
| Other owners | 7 |