- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/73 - Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings
Patent holdings for IPC class C07C 309/73
Total number of patents in this class: 240
10-year publication summary
|
22
|
12
|
14
|
14
|
12
|
20
|
17
|
9
|
14
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29543 |
13 |
| Shin-Etsu Chemical Co., Ltd. | 5685 |
13 |
| Sumitomo Chemical Company, Limited | 9047 |
10 |
| Lantheus Medical Imaging, Inc. | 177 |
4 |
| Les Laboratoires Servier | 535 |
4 |
| Bayer Schering Pharma AG | 381 |
3 |
| University of South Florida | 1837 |
3 |
| Boe Technology Group Co., Ltd. | 41495 |
3 |
| Daiichi Sankyo Company, Limited | 1884 |
3 |
| GE Healthcare Limited | 665 |
3 |
| H. Lee Moffitt Cancer Center and Research Institute, Inc. | 955 |
3 |
| Journey Medical Corporation | 94 |
3 |
| University of Central Florida Research Foundation, Inc. | 1193 |
3 |
| Eisai R&D Management Co., Ltd. | 1227 |
3 |
| Kare Chemical Technologies Inc. | 24 |
3 |
| International Business Machines Corporation | 61433 |
2 |
| Janssen Pharmaceutica N.V. | 3369 |
2 |
| Bayer Cropscience AG | 2018 |
2 |
| Bayer Pharma AG | 1054 |
2 |
| Hewlett-Packard Development Company, L.P. | 25813 |
2 |
| Other owners | 156 |