- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 489/02 - 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: with oxygen atoms attached in positions 3 and 6, e.g. morphine, morphinone
Patent holdings for IPC class C07D 489/02
Total number of patents in this class: 303
10-year publication summary
|
29
|
27
|
23
|
17
|
14
|
7
|
10
|
8
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SpecGx LLC | 183 |
42 |
| Mallinckrodt LLC | 133 |
20 |
| Mallinckrodt Inc. | 178 |
16 |
| Zevra Therapeutics, Inc. | 99 |
13 |
| Nektar Therapeutics | 438 |
12 |
| Macfarlan Smith Limited | 97 |
11 |
| Rhodes Technologies | 54 |
10 |
| Purdue Pharma L.P. | 498 |
8 |
| Tasmanian Alkaloids Pty Ltd. | 17 |
8 |
| Toray Industries, Inc. | 6906 |
7 |
| Noramco, LLC | 27 |
7 |
| Dimerx, Inc. | 9 |
7 |
| Signature Therapeutics, Inc. | 37 |
6 |
| Alkermes Pharma Ireland Limited | 271 |
5 |
| Brock University | 60 |
5 |
| Alere San Diego, Inc. | 64 |
4 |
| Euro-celtique S.A. | 102 |
4 |
| Progenics Pharmaceuticals, Inc. | 130 |
4 |
| The Scripps Research Institute | 1346 |
4 |
| Siegfried AG | 40 |
4 |
| Other owners | 106 |