- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/03 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
Patent holdings for IPC class C07C 309/03
Total number of patents in this class: 18
10-year publication summary
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0
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1
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3
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0
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0
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2
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1
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0
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1
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Board of Regents, The University of Texas System | 5782 |
2 |
| JSR Corporation | 2512 |
2 |
| Harcros Chemicals Inc. | 32 |
2 |
| The Procter & Gamble Company | 22028 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5644 |
1 |
| Wisconsin Alumni Research Foundation | 3874 |
1 |
| Arkema France | 4102 |
1 |
| The Cleveland Clinic Foundation | 1571 |
1 |
| Gicare Pharma Inc. | 1 |
1 |
| Hunan ASTAR Biotechnology Ltd. | 1 |
1 |
| Universitat Zurich | 643 |
1 |
| University of Kansas | 872 |
1 |
| Actera Ingredients, Inc. | 15 |
1 |
| Ultimate EOR Services, LLC | 10 |
1 |
| DuPont Electronic Materials International, LLC | 426 |
1 |
| Other owners | 0 |