- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/63 - Esters of sulfonic acids
Patent holdings for IPC class C07C 309/63
Total number of patents in this class: 23
10-year publication summary
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1
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1
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1
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1
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1
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0
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0
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyushu University, National University Corporation | 1737 |
2 |
| General Electric Company | 14010 |
1 |
| Unilever PLC | 2973 |
1 |
| Unilever N.V. | 2887 |
1 |
| BASF SE | 21334 |
1 |
| Sumitomo Chemical Company, Limited | 8992 |
1 |
| Chevron Oronite Company LLC | 605 |
1 |
| Empire Technology Development LLC | 1611 |
1 |
| British Columbia Cancer Agency Branch | 177 |
1 |
| Cambridge Display Technology Limited | 475 |
1 |
| Cellixbio Private Limited | 142 |
1 |
| Contemporary Amperex Technology Co., Limited | 10616 |
1 |
| Creative Therapeutics GmbH | 5 |
1 |
| Hindustan Unilever Limited | 979 |
1 |
| Nanjing Huashi New Material Co., Ltd. | 13 |
1 |
| PerkinElmer Health Sciences, Inc. | 195 |
1 |
| The Research Foundation of State University of New York | 362 |
1 |
| SABIC Global Technologies B.V. | 4632 |
1 |
| The University of British Columbia | 1562 |
1 |
| Seoul National University R&db Foundation | 4268 |
1 |
| Other owners | 2 |