- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/30 - 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 of six-membered aromatic rings substituted by alkyl groups
Patent holdings for IPC class C07C 309/30
Total number of patents in this class: 248
10-year publication summary
|
19
|
30
|
25
|
22
|
30
|
26
|
25
|
29
|
10
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Intra-Cellular Therapies, Inc. | 378 |
10 |
| Journey Medical Corporation | 93 |
8 |
| Merck Sharp & Dohme LLC | 3689 |
7 |
| BASF SE | 19740 |
6 |
| Gilead Sciences, Inc. | 1879 |
5 |
| Imago Biosciences, Inc. | 38 |
5 |
| Shionogi & Co., Ltd. | 914 |
5 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
4 |
| Advansix Resins & Chemicals LLC | 278 |
4 |
| Apotex Inc. | 197 |
4 |
| Pharmatrophix, Inc. | 22 |
4 |
| Purdue Pharma L.P. | 519 |
4 |
| WisTa Laboratories Ltd. | 128 |
4 |
| Evonik Oxeno GmbH & Co. KG | 278 |
4 |
| Bristol-myers Squibb Company | 5080 |
3 |
| Merck Patent GmbH | 5909 |
3 |
| Uop LLC | 4083 |
3 |
| Chevron Oronite Company LLC | 551 |
3 |
| Vertex Pharmaceuticals Incorporated | 1581 |
3 |
| Lantheus Medical Imaging, Inc. | 174 |
3 |
| Other owners | 156 |