- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/67 - Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms of an unsaturated carbon skeleton
Patent holdings for IPC class C07C 309/67
Total number of patents in this class: 35
10-year publication summary
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1
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0
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1
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4
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2
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2
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2
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1
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1
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3
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Allergan, Inc. | 2155 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 6134 |
2 |
| Kao Corporation | 5096 |
2 |
| Borsodchem Zrt. | 32 |
2 |
| Enevate Corporation | 440 |
2 |
| Pronova Biopharma Norge AS | 4 |
2 |
| Mu Ionic Solutions Corporation | 170 |
2 |
| SK on Co., Ltd. | 2480 |
2 |
| Wanhua Chemical (Yantai) Battery Material Science Co., Ltd. | 39 |
2 |
| Merck Patent GmbH | 5742 |
1 |
| FUJIFILM Corporation | 30653 |
1 |
| Mitsubishi Chemical Corporation | 4742 |
1 |
| University of Florida Research Foundation, Inc. | 4194 |
1 |
| Androscience Corporation | 4 |
1 |
| Astech. Co., Ltd. | 15 |
1 |
| Cipla Limited | 479 |
1 |
| Galderma Research & Development | 350 |
1 |
| The University of British Columbia | 1552 |
1 |
| The University of North Carolina at Charlotte | 274 |
1 |
| The University of Tokyo | 4386 |
1 |
| Other owners | 6 |