- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/44 - Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing doubly-bound oxygen atoms bound to the carbon skeleton
Patent holdings for IPC class C07C 309/44
Total number of patents in this class: 51
10-year publication summary
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1
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4
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1
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4
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4
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5
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3
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2
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2
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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
|
|---|---|---|
| Baylor College of Medicine | 969 |
9 |
| Simon Fraser University | 277 |
3 |
| Cmblu Energy AG | 57 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5745 |
2 |
| Toray Industries, Inc. | 7004 |
2 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2391 |
2 |
| Wake Forest University Health Sciences | 725 |
2 |
| Neopanora Bio-technology (Zhuhai) Ltd. | 2 |
2 |
| BASF SE | 21080 |
1 |
| LG Chem, Ltd. | 17682 |
1 |
| FUJIFILM Corporation | 29752 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 32244 |
1 |
| Compagnie générale des établissements Michelin SCA | 2568 |
1 |
| Michelin Recherche et Technique S.A. | 2142 |
1 |
| University of Southern California | 2123 |
1 |
| Case Western Reserve University | 1844 |
1 |
| City University of Hong Kong | 875 |
1 |
| Foundation for Research and Business, Seoul National University of Science and Technology | 161 |
1 |
| FutureFuel Chemical Company | 17 |
1 |
| Lenzing Aktiengesellschaft | 517 |
1 |
| Other owners | 14 |