- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 489/12 - Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula: containing 4aH-8, 9 c-Iminoethano- phenanthro [4, 5-b, c, d] furan ring systems condensed with carbocyclic rings or ring systems with a bridge between positions 6 and 14 the bridge containing only two carbon atoms
Patent holdings for IPC class C07D 489/12
Total number of patents in this class: 130
10-year publication summary
|
12
|
7
|
9
|
1
|
5
|
0
|
1
|
2
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SpecGx LLC | 186 |
18 |
| Purdue Pharma L.P. | 494 |
13 |
| Noramco, LLC | 27 |
12 |
| Mallinckrodt Inc. | 151 |
9 |
| Monash University | 721 |
8 |
| The University of Bath | 157 |
7 |
| Rhodes Technologies | 55 |
6 |
| Siegfried AG | 38 |
5 |
| Euro-celtique S.A. | 94 |
4 |
| Macfarlan Smith Limited | 96 |
4 |
| Nippon Chemiphar Co., Ltd. | 227 |
4 |
| Rensselaer Polytechnic Institute | 845 |
4 |
| Dimerx, Inc. | 10 |
4 |
| Noramco, Inc. | 19 |
3 |
| Bristol-myers Squibb Company | 4795 |
2 |
| Azad Pharma AG | 22 |
2 |
| Cambrex Charles City, Inc. | 16 |
2 |
| Shire LLC | 43 |
2 |
| Sun Pharmaceutical Industries Limited | 730 |
2 |
| Alar Pharmaceuticals Inc. | 12 |
2 |
| Other owners | 17 |