- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/76 - Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
Patent holdings for IPC class C07C 309/76
Total number of patents in this class: 23
10-year publication summary
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1
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1
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4
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1
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0
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1
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1
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2
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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
|
|---|---|---|
| Universität zu Köln | 154 |
3 |
| Sanko Co., Ltd. | 53 |
2 |
| International Business Machines Corporation | 61228 |
1 |
| Industrial Technology Research Institute | 5086 |
1 |
| Murata Manufacturing Co., Ltd. | 24526 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10923 |
1 |
| Academia Sinica | 938 |
1 |
| Central Glass Company, Limited | 1265 |
1 |
| Council of Scientific and Industrial Research | 604 |
1 |
| Jiangsu Hengrui Medicine Co., Ltd. | 706 |
1 |
| Ministry of Information Technology | 1 |
1 |
| National Cheng Kung University | 569 |
1 |
| Nihon Medi-physics Co., Ltd. | 181 |
1 |
| Peking University | 1308 |
1 |
| Seoul National University Industry Foundation | 334 |
1 |
| Sony Chemical & Information Device Corporation | 235 |
1 |
| Suncadia Pharmaceuticals Co., Ltd. | 13 |
1 |
| Tokyo Institute of Technology | 1374 |
1 |
| Neurosearch A/S | 185 |
1 |
| Koehler Innovation & Technology GmbH | 46 |
1 |
| Other owners | 0 |