- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/25 - Sulfonic acids having sulfo groups bound to carbon atoms of rings other than six-membered aromatic rings of a carbon skeleton
Patent holdings for IPC class C07C 309/25
Total number of patents in this class: 44
10-year publication summary
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6
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3
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4
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3
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3
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1
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1
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2
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2
|
2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GLOBALFOUNDRIES U.S. Inc. | 6425 |
7 |
| Amgen Inc. | 4081 |
6 |
| ChemoCentryx, Inc. | 386 |
5 |
| JSR Corporation | 2529 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 5674 |
2 |
| Actavis Group PTC ehf | 449 |
2 |
| Tokyo Ohka Kogyo Co., Ltd. | 1543 |
2 |
| FUJIFILM Corporation | 29458 |
1 |
| Aldeyra Therapeutics, Inc. | 109 |
1 |
| The First Affiliated Hospital, Third Military University, PLA | 1 |
1 |
| Intra-Cellular Therapies, Inc. | 409 |
1 |
| Les Laboratoires Servier | 538 |
1 |
| Nagase & Co., Ltd. | 225 |
1 |
| Nippon Shinyaku Co., Ltd. | 322 |
1 |
| Proximagen Limited | 41 |
1 |
| Shanghai Syncores Technologies, Inc. | 3 |
1 |
| Tianjin Chasesun Pharmaceutical Co., Ltd | 13 |
1 |
| Urquima, S.A. | 10 |
1 |
| Yuki Gosei Kogyo Co., Ltd. | 26 |
1 |
| Zhejiang Huahai Pharmaceuticals Co., Ltd. | 4 |
1 |
| Other owners | 3 |