- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/08 - Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing oxygen atoms bound to the carbon skeleton containing hydroxy groups bound to the carbon skeleton
Patent holdings for IPC class C07C 309/08
Total number of patents in this class: 51
10-year publication summary
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3
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3
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2
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5
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3
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2
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3
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5
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0
|
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
|
|---|---|---|
| Kao Corporation | 5083 |
4 |
| Central Glass Company, Limited | 1298 |
4 |
| Stepan Company | 565 |
3 |
| Amgen Inc. | 4436 |
2 |
| Clariant International Ltd. | 892 |
2 |
| Cytokinetics, Inc. | 251 |
2 |
| Ecolab Inc. | 374 |
2 |
| Innospec Active Chemicals LLC | 24 |
2 |
| Nuvalent, Inc. | 89 |
2 |
| BASF SE | 21320 |
1 |
| AstraZeneca AB | 2824 |
1 |
| AstraZeneca UK Limited | 522 |
1 |
| FUJIFILM Corporation | 30628 |
1 |
| Sumitomo Chemical Company, Limited | 8969 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 6127 |
1 |
| JSR Corporation | 2551 |
1 |
| Apotex Inc. | 203 |
1 |
| Biogen Idec MA Inc. | 148 |
1 |
| Chiesi Farmaceutici S.p.A. | 952 |
1 |
| Chugai Seiyaku Kabushiki Kaisha | 1422 |
1 |
| Other owners | 17 |