- All sections
- C - Chemistrymetallurgy
- C07J - Steroids
- C07J 53/00 - Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by condensation with carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms
Patent holdings for IPC class C07J 53/00
Total number of patents in this class: 199
10-year publication summary
|
7
|
12
|
9
|
6
|
7
|
13
|
6
|
8
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bayer Schering Pharma AG | 346 |
13 |
| Industriale Chimica S.r.l. | 70 |
11 |
| Sage Therapeutics, Inc. | 335 |
8 |
| Glaxosmithkline LLC | 530 |
5 |
| Morinaga Milk Industry Co., Ltd. | 348 |
5 |
| Newchem S.p.A. | 9 |
5 |
| Valtion Teknillinen Tutkimuskeskus | 112 |
5 |
| Reata Pharmaceuticals, Inc. | 117 |
4 |
| ViiV Healthcare UK (No. 5) Limited | 48 |
4 |
| Hetero Labs Limited | 53 |
4 |
| Virochem Pharma Inc. | 5 |
3 |
| Sloan-Kettering Institute for Cancer Research | 591 |
3 |
| Stora Enso Oyj | 1633 |
3 |
| Telomerase Activation Sciences, Inc. | 23 |
3 |
| Limited Liability Company Izvarino Pharma | 8 |
3 |
| Bridgestone Corporation | 7233 |
2 |
| Crystal Pharma, S.A.U. | 30 |
2 |
| Evestra, Inc. | 33 |
2 |
| Jean-Claude Leunis | 2 |
2 |
| Jiangsu Hansoh Pharmaceutical Group Co., Ltd. | 351 |
2 |
| Other owners | 110 |