- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/81 - Halides of sulfonic acids having halosulfonyl groups bound to acyclic carbon atoms of an unsaturated carbon skeleton
Patent holdings for IPC class C07C 309/81
Total number of patents in this class: 13
10-year publication summary
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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
|
|---|---|---|
| Nanjing University | 695 |
2 |
| Murata Manufacturing Co., Ltd. | 23844 |
1 |
| Olympus Corporation | 13257 |
1 |
| Asahi Glass Company, Limited | 2868 |
1 |
| Arkema Inc. | 1071 |
1 |
| Astech. Co., Ltd. | 17 |
1 |
| Eras-labo | 6 |
1 |
| Fuzhou University | 296 |
1 |
| Institut National Polytechnique de Grenoble | 33 |
1 |
| Rhodia Operations | 1591 |
1 |
| Universite Claude Bernard Lyon 1 | 972 |
1 |
| University of Connecticut | 818 |
1 |
| Other owners | 0 |