- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/09 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing oxygen atoms bound to the carbon skeleton containing etherified hydroxy groups bound to the carbon skeleton
Patent holdings for IPC class C07C 309/09
Total number of patents in this class: 16
10-year publication summary
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0
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0
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4
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2
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1
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1
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0
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0
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0
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5745 |
4 |
| FUJIFILM Corporation | 29752 |
3 |
| JSR Corporation | 2535 |
2 |
| LG Chem, Ltd. | 17682 |
1 |
| Merck Patent GmbH | 5756 |
1 |
| Wisconsin Alumni Research Foundation | 3890 |
1 |
| Dow Global Technologies LLC | 10509 |
1 |
| Heraeus Precious Metals North America Daychem LLC | 4 |
1 |
| Nippon Shokubai Co., Ltd. | 1504 |
1 |
| Tokyo Ohka Kogyo Co., Ltd. | 1549 |
1 |
| Other owners | 0 |