- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/32 - Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton of non-condensed six-membered aromatic rings containing at least two non-condensed six-membered aromatic rings in the carbon skeleton
Patent holdings for IPC class C07C 309/32
Total number of patents in this class: 29
10-year publication summary
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2
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5
|
2
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1
|
5
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3
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1
|
1
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2
|
2
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 6127 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
2 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2448 |
2 |
| The University of Tokyo | 4380 |
2 |
| Baker Hughes Oilfield Operations, LLC | 2551 |
2 |
| Samsung Electronics Co., Ltd. | 158605 |
1 |
| LG Chem, Ltd. | 17956 |
1 |
| AstraZeneca AB | 2824 |
1 |
| FUJIFILM Corporation | 30628 |
1 |
| Massachusetts Institute of Technology | 10285 |
1 |
| University of Southern California | 2144 |
1 |
| Ajou University Industry-academic Cooperation Foundation | 1192 |
1 |
| Alcon Research, Ltd. | 333 |
1 |
| Arena Pharmaceuticals, Inc. | 343 |
1 |
| The Chemours Company Fc, LLC | 1348 |
1 |
| Commonwealth Scientific and Industrial Research Organisation | 1650 |
1 |
| Korea Research Institute of Chemical Technology | 1485 |
1 |
| New York University | 1845 |
1 |
| Trustees of Boston University | 993 |
1 |
| Chirochem Co., Ltd | 3 |
1 |
| Other owners | 3 |