Process for the manufacturing of (6aR,10aR)-7-propyl-6,6a,7,8,9,10,10a,11-octahydro-[1,3]dioxolo[4′,5′:5,6]benzo[1,2-g]quinoline and (4aR,10aR)-1-propyl-1,2,3,4,4a,5,10,10a-octahydro-benzo[g]quinoline-6,7-diol
US-12479801-B2 · Nov 25, 2025 · US
Aza-anthracenes
Aza-anthracenes · 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 | C07D221/08 |
| Official title | Aza-anthracenes |
| Display label | Aza-anthracenes |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 8 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catecholamine carbamate prodrugs for use in the treatment of parkinson's disease
US-12398106-B2 · Aug 26, 2025 · US
Process for the manufacture of (2S,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(((4aR,10aR)-7-hydroxy-1-propyl-1,2,3,4,4a,5,10,10a-octahydrobenzo[g]quinolin-6-yl)oxy)tetrahydro-2H-pyran-2-carboxylic acid
US-12398169-B2 · Aug 26, 2025 · US
Catecholamine prodrugs for use in the treatment of Parkinson's disease
US-12391650-B2 · Aug 19, 2025 · US
Catecholamine prodrugs for use in the treatment of Parkinson's diseases
US-12319710-B2 · Jun 3, 2025 · US
Light emission material and organic electroluminescence device including the same
US-12268088-B2 · Apr 1, 2025 · US
Light emission material and organic electroluminescence device including the same
US-2024431204-A1 · Dec 26, 2024 · US
Process for the manufacture of (2s,3s,4s,5r,6s)-3,4,5-trihydroxy-6-(((4ar,10ar)-7-hydroxy-1-propyl-1,2,3,4,4a,5,10,10a-octahydrobenzo[g]quinolin-6-yl)oxy)tetrahydro-2h-pyran-2-carboxylic acid
US-2024352055-A1 · Oct 24, 2024 · US
Ffn fluorescence release assay (ffra) and methods of using same
US-2024118210-A1 · Apr 11, 2024 · US
Methods of treating ocular fibrotic pathologies
US-2024043396-A1 · Feb 8, 2024 · US
Process for the manufacturing of (6ar,10ar)-7-propyl-6,6a,7,8,9,10,10a,11-octahydro-[1,3]dioxolo[4',5':5,6]benzo[1,2-g]quinoline and (4ar,10ar)-1-propyl-1,2,3,4,4a,5,10,10a-octahydro-benzo[g]quinoline-6,7-diol
US-2024018107-A1 · Jan 18, 2024 · US
Process for the manufacturing of (6AR,10AR)-7-propyl-6,6A,7,8,9,10,10A,11-octahydro-[1,3]dioxolo[4′,5′:5,6]benzo[1,2-G]quinoline and (4AR, 10AR)-1-propyl-1,2,3,4,4A,5,10,10A-octahydro-benzo[G]quinoline-6,7-diol
US-11866410-B2 · Jan 9, 2024 · US
Process for the manufacture of (2S,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(((4aR,10aR)-7-hydroxy-1-propyl-1,2,3,4,4a,5,10,10a-octahydrobenzo[g]quinolin-6-yl)oxy)tetrahydro-2H-pyran-2-carboxylic acid
US-11851456-B2 · Dec 26, 2023 · US
Photostabilizing compounds, compositions, and methods
US-11820771-B2 · Nov 21, 2023 · US
Photostabilizing compounds, compositions, and methods
US-2023098934-A1 · Mar 30, 2023 · US
Photostabilizing compounds, compositions, and methods
US-11530215-B2 · Dec 20, 2022 · US
Phenanthrene compounds for organic electronic devices
US-11424411-B2 · Aug 23, 2022 · US
New catecholamine prodrugs for use in the treatment of parkinson's disease
US-2022220077-A1 · Jul 14, 2022 · US
New catecholamine prodrugs for use in the treatment of parkinson's diseases
US-2022213136-A1 · Jul 7, 2022 · US
Catecholamine carbamate prodrugs for use in the treatment of parkinson's disease
US-2022213040-A1 · Jul 7, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D221/08?
- CPC C07D221/08 is the Cooperative Patent Classification code for “Aza-anthracenes.”
- How many patents are filed under CPC C07D221/08 (Aza-anthracenes)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC C07D221/08 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).