- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/47 - Sulfonic acids having 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 having at least one of the sulfo groups bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system
Patent holdings for IPC class C07C 309/47
Total number of patents in this class: 36
10-year publication summary
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2
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2
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4
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0
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3
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2
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0
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0
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11
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6
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| King Faisal University | 921 |
14 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10959 |
3 |
| Life Technologies Corporation | 3326 |
2 |
| Daito Chemix Corporation | 11 |
2 |
| University-industry Cooperation Group of Kyung Hee University | 1230 |
2 |
| Centre National de La Recherche Scientifique | 10595 |
1 |
| Archroma IP GmbH | 459 |
1 |
| Chongqing Medical University | 37 |
1 |
| Clariant Finance (BVI) Limited | 383 |
1 |
| Karlsruher Institut fur Technologie | 380 |
1 |
| Kyoto University | 2828 |
1 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1790 |
1 |
| Saltigo GmbH | 60 |
1 |
| Universite de Nantes | 336 |
1 |
| The University of Toledo | 427 |
1 |
| Georg-august-universität Stiftung öffentlichen Rechts, Universitätsmedizin | 2 |
1 |
| Toyota Motor Europe, | 270 |
1 |
| FUJIFILM Wako Pure Chemical Chemical Corporation | 1 |
1 |
| Other owners | 0 |