- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/51 - 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 at least one of the nitrogen atoms being part of any of the groups X being a hetero atom, Y being any atom
Patent holdings for IPC class C07C 309/51
Total number of patents in this class: 40
10-year publication summary
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3
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6
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1
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2
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5
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0
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3
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3
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1
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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
|
|---|---|---|
| Ajinomoto Co., Inc. | 2281 |
4 |
| EA Pharma Co., Ltd. | 96 |
4 |
| Nippon Kayaku Kabushiki Kaisha | 1462 |
3 |
| OM Pharma | 41 |
3 |
| Centre National de La Recherche Scientifique | 11059 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 6120 |
2 |
| Life Technologies Corporation | 3458 |
2 |
| Fudan University | 770 |
2 |
| Universite du Mans | 61 |
2 |
| Vivesto AB | 23 |
2 |
| FUJIFILM Corporation | 30594 |
1 |
| JSR Corporation | 2552 |
1 |
| Assia Chemical Industries Ltd. | 241 |
1 |
| Cambridge Enterprise Limited | 1246 |
1 |
| Chongqing Medical University | 42 |
1 |
| Industry-University Cooperation Foundation Hanyang University | 1009 |
1 |
| Nippon Fine Chemical Co., Ltd. | 32 |
1 |
| Nissan Chemical Industries, Ltd. | 1638 |
1 |
| Sun Chemical B.V. | 399 |
1 |
| Universite de Nantes | 334 |
1 |
| Other owners | 4 |