- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/29 - Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton of non-condensed six-membered aromatic rings
Patent holdings for IPC class C07C 309/29
Total number of patents in this class: 151
10-year publication summary
|
14
|
17
|
14
|
7
|
8
|
7
|
11
|
9
|
10
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29696 |
6 |
| Chiesi Farmaceutici S.p.A. | 971 |
6 |
| PAION UK Limited | 48 |
5 |
| Bristol-myers Squibb Company | 4849 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5695 |
3 |
| Athenex, Inc. | 26 |
3 |
| ChemoCentryx, Inc. | 383 |
3 |
| Daiichi Sankyo Company, Limited | 1877 |
3 |
| Les Laboratoires Servier | 536 |
3 |
| Teva Pharmaceuticals USA, Inc. | 869 |
3 |
| Aic246 AG & Co. KG | 32 |
3 |
| Genentech, Inc. | 4009 |
2 |
| Cyclacel Limited | 64 |
2 |
| Eli Lilly and Company | 3902 |
2 |
| Purdue Pharma L.P. | 502 |
2 |
| Sentinel Oncology Limited | 38 |
2 |
| Shanghai Institute of Pharmaceutical Industry | 129 |
2 |
| Shanghai Righthand Pharmtech, Co., Ltd. | 2 |
2 |
| Shihuida Pharmaceuticals Group (jilin) Ltd | 10 |
2 |
| Shionogi & Co., Ltd. | 844 |
2 |
| Other owners | 92 |