- 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: 203
10-year publication summary
|
10
|
7
|
12
|
7
|
4
|
6
|
10
|
6
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bayer Schering Pharma AG | 384 |
13 |
| Industriale Chimica S.r.l. | 68 |
11 |
| Morinaga Milk Industry Co., Ltd. | 358 |
7 |
| Sage Therapeutics, Inc. | 364 |
7 |
| Glaxosmithkline LLC | 537 |
5 |
| Newchem S.p.A. | 9 |
5 |
| Valtion Teknillinen Tutkimuskeskus | 138 |
5 |
| ViiV Healthcare UK (No. 5) Limited | 47 |
4 |
| Hetero Labs Limited | 45 |
4 |
| Virochem Pharma Inc. | 6 |
3 |
| Panacos Pharmaceuticals, Inc. | 18 |
3 |
| Reata Pharmaceuticals, Inc. | 123 |
3 |
| Sloan-Kettering Institute for Cancer Research | 518 |
3 |
| Stora Enso Oyj | 1647 |
3 |
| Telomerase Activation Sciences, Inc. | 23 |
3 |
| Limited Liability Company Izvarino Pharma | 7 |
3 |
| Merck Sharp & Dohme B.V. | 708 |
2 |
| Bridgestone Corporation | 7235 |
2 |
| Crystal Pharma, S.A.U. | 50 |
2 |
| Evestra, Inc. | 34 |
2 |
| Other owners | 113 |