- 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: 158
10-year publication summary
|
17
|
14
|
8
|
8
|
13
|
14
|
12
|
12
|
9
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30849 |
8 |
| Chiesi Farmaceutici S.p.A. | 951 |
6 |
| Bristol-myers Squibb Company | 4751 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 6173 |
4 |
| Athenex, Inc. | 25 |
3 |
| ChemoCentryx, Inc. | 358 |
3 |
| Daiichi Sankyo Company, Limited | 1896 |
3 |
| Teva Pharmaceuticals USA, Inc. | 625 |
3 |
| Aic246 AG & Co. KG | 28 |
3 |
| Genentech, Inc. | 4161 |
2 |
| Assia Chemical Industries Ltd. | 244 |
2 |
| Cyclacel Limited | 42 |
2 |
| Les Laboratoires Servier | 497 |
2 |
| PAION UK Limited | 44 |
2 |
| Purdue Pharma L.P. | 431 |
2 |
| Sentinel Oncology Limited | 36 |
2 |
| Shanghai Institute of Pharmaceutical Industry | 125 |
2 |
| Shanghai Righthand Pharmtech, Co., Ltd. | 2 |
2 |
| Shionogi & Co., Ltd. | 893 |
2 |
| Synact Pharma ApS | 25 |
2 |
| Other owners | 99 |