- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/70 - Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms of a carbon skeleton substituted by carboxyl groups
Patent holdings for IPC class C07C 309/70
Total number of patents in this class: 16
10-year publication summary
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1
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2
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0
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0
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0
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0
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1
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0
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0
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Central Glass Company, Limited | 1289 |
3 |
| International Business Machines Corporation | 62325 |
2 |
| Eisai R&D Management Co., Ltd. | 1172 |
2 |
| The Regents of the University of California | 20590 |
1 |
| FUJIFILM Corporation | 30327 |
1 |
| DSM IP Assets B.V. | 5422 |
1 |
| Albireo AB | 174 |
1 |
| Institut Univ. de Ciencia i Tecnologia, S.A. | 22 |
1 |
| Lamberti SpA | 257 |
1 |
| Stepan Company | 573 |
1 |
| ShangPharma Innovation Inc. | 19 |
1 |
| Mu Ionic Solutions Corporation | 162 |
1 |
| Other owners | 0 |