Morphinan Compounds
US-2018327809-A1 · Nov 15, 2018 · US
Morphinans
Morphinans · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D221/28 |
| Official title | Morphinans |
| Display label | Morphinans |
| Total patents | 128 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 20 |
| 2017 | 16 |
| 2018 | 10 |
| 2019 | 10 |
| 2020 | 16 |
| 2021 | 9 |
| 2022 | 12 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for treating antipsychotic-induced weight gain
US-2018271855-A1 · Sep 27, 2018 · US
Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxymorphone, prodrugs, methods of making and use thereof
US-10071091-B2 · Sep 11, 2018 · US
Methods for treating antipsychotic-induced weight gain
US-9943514-B2 · Apr 17, 2018 · US
Morphinan compounds
US-9868976-B2 · Jan 16, 2018 · US
Morphinan Derivatives for the Treatment of Drug Overdose
US-2017333422-A1 · Nov 23, 2017 · US
Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxymorphone, prodrugs, methods of making and use thereof
US-2017312270-A1 · Nov 2, 2017 · US
Morphinan compounds
US-2017281616-A1 · Oct 5, 2017 · US
Peripheral opioid receptor antagonists and uses thereof
US-9724343-B2 · Aug 8, 2017 · US
Methods for treating depressive symptoms
US-2017216279-A1 · Aug 3, 2017 · US
Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxymorphone, prodrugs, methods of making and use thereof
US-9682076-B2 · Jun 20, 2017 · US
Morphan and morphinan analogues, and methods of use
US-9682936-B2 · Jun 20, 2017 · US
Morphinan compounds
US-9655895-B2 · May 23, 2017 · US
Ring-contracted morphinans and the use thereof
US-9656962-B2 · May 23, 2017 · US
Methods for treating depressive symptoms
US-9656961-B2 · May 23, 2017 · US
Methods for Treating Antipsychotic-Induced Weight Gain
US-2017119757-A1 · May 4, 2017 · US
Quaternary opioid carboxamides
US-2017095469-A1 · Apr 6, 2017 · US
Morphinan Compounds
US-2017037449-A1 · Feb 9, 2017 · US
(+)-morphinans as antagonists of toll-like receptor 9 and therapeutic uses thereof
US-9562014-B2 · Feb 7, 2017 · US
(+)-morphinans as antagonists of toll-like receptor 9 and therapeutic uses thereof
US-2017029432-A1 · Feb 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D221/28?
- CPC C07D221/28 is the Cooperative Patent Classification code for “Morphinans.”
- How many patents are filed under CPC C07D221/28 (Morphinans)?
- Our database includes 128 publications tagged with this CPC code.
- Is patent activity under CPC C07D221/28 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).