Salts and polymorphs of a tetracycline compound
US-2026053824-A1 · Feb 26, 2026 · US
1,4,4a,5,5a,6,11,12a- Octahydronaphthacenes, e.g. tetracyclines
1,4,4a,5,5a,6,11,12a- Octahydronaphthacenes, e.g. tetracyclines · 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 | C07C2603/46 |
| Official title | 1,4,4a,5,5a,6,11,12a- Octahydronaphthacenes, e.g. tetracyclines |
| Display label | 1,4,4a,5,5a,6,11,12a- Octahydronaphthacenes, e.g. tetracyclines |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 12 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 6 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tetracycline complexes with sustained activity
US-12539333-B2 · Feb 3, 2026 · US
Substituted tetracycline compounds for treatment of inflammatory skin disorders
US-2026015317-A1 · Jan 15, 2026 · US
Substituted tetracycline compounds
US-2025388531-A1 · Dec 25, 2025 · US
Modified tetracyclines for treatment of alcohol use disorder, pain and other disorders involving potential inflammatory processes
US-12486219-B2 · Dec 2, 2025 · US
Process for making sarecycline hydrochloride
US-12297161-B2 · May 13, 2025 · US
Modified Tetracycline for Treatment of Alcohol Use Disorder, Pain and Other Disorders Involving Potential Inflammatory Processes
US-2025129014-A1 · Apr 24, 2025 · US
Iron catalyzed highly enantioselective cis-dihydroxylation of quinones
US-12281065-B2 · Apr 22, 2025 · US
Modified tetracycline for treatment of alcohol use disorder, pain and other disorders involving potential inflammatory processes
US-12202785-B2 · Jan 21, 2025 · US
Tetracycline derivatives for treating neurodegenerative or neuroinflammatory diseases
US-2023390309-A1 · Dec 7, 2023 · US
Crystalline forms of omadacycline, methods of synthesis thereof and methods of use thereof
US-2023357135-A1 · Nov 9, 2023 · US
Iron catalyzed highly enantioselective cis-dihydroxylation of quinones
US-2023227393-A1 · Jul 20, 2023 · US
Novel modified tetracyclines for treatment of alcohol use disorder, pain and other disorders involving potential inflammatory processes
US-2023192598-A1 · Jun 22, 2023 · US
Modified Tetracycline for Treatment of Alcohol Use Disorder, Pain and Other Disorders Involving Potential Inflammatory Processes
US-2023127462-A1 · Apr 27, 2023 · US
Modified tetracycline for treatment of alcohol use disorder, pain and other disorders involving potential inflammatory processes
US-11542227-B2 · Jan 3, 2023 · US
Modified Tetracycline for Treatment of Alcohol Use Disorder, Pain and Other Disorders Involving Potential Inflammatory Processes
US-2022040208-A1 · Feb 10, 2022 · US
Tetracycline complexes with sustained activity
US-2021401996-A1 · Dec 30, 2021 · US
Novel Modified Tetracyclines for Treatment of Alcohol Use Disorder, Pain and Other Disorders Involving Potential Inflammatory Processes
US-2021403416-A1 · Dec 30, 2021 · US
Substituted tetracycline compounds
US-2021395189-A1 · Dec 23, 2021 · US
Process for making sarecycline hydrochloride
US-2021017123-A1 · Jan 21, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2603/46?
- CPC C07C2603/46 is the Cooperative Patent Classification code for “1,4,4a,5,5a,6,11,12a- Octahydronaphthacenes, e.g. tetracyclines.”
- How many patents are filed under CPC C07C2603/46 (1,4,4a,5,5a,6,11,12a- Octahydronaphthacenes, e.g. tetracyclines)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC C07C2603/46 growing?
- Publication counts under this code: 6 in 2023 vs 6 in 2025 (latest complete years).