Treatment of pharmacoresistant epilepsy
US-2025186408-A1 · Jun 12, 2025 · US
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polycyclic without condensed ring systems
polycyclic without condensed ring systems · 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 | C07C33/24 |
| Official title | polycyclic without condensed ring systems |
| Display label | polycyclic without condensed ring systems |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Luminescent nanocrystal complex
US-2019382655-A1 · Dec 19, 2019 · US
Processes for preparing and using ruthenium and osmium complexes
US-10428098-B2 · Oct 1, 2019 · US
Chiral diamine compounds for the preparation of chiral alcohols and chiral amines
US-10196338-B2 · Feb 5, 2019 · US
Use of certain transition metal hyperaccumulator plants for reducing organic compounds in a green manner
US-10166530-B2 · Jan 1, 2019 · US
Process
US-2018148465-A1 · May 31, 2018 · US
Method of preparing aza-pyridone compounds
US-2017260189-A1 · Sep 14, 2017 · US
Reagent for enhancing generation of chemical species
US-9650357-B2 · May 16, 2017 · US
Reagent and composition of resist
US-9618844-B2 · Apr 11, 2017 · US
Ligand, metal complex containing ligand, and reaction using metal complex containing ligand
US-9463451-B2 · Oct 11, 2016 · US
Catalytic hydrogenation using complexes of base metals with tridentate ligands
US-9434666-B2 · Sep 6, 2016 · US
Reagent for enhancing generation of chemical species
US-2016194300-A1 · Jul 7, 2016 · US
Reagent and composition of resist
US-2016070165-A1 · Mar 10, 2016 · US
Compound having trimethylene structure, polymer compound containing unit that has trimethylene structure, and reactive compound having trimethylene structure
US-9051246-B2 · Jun 9, 2015 · US
Reagent for enhancing generation of chemical species
US-2015060728-A1 · Mar 5, 2015 · US
Asymmetric hydrogenation method for ketone compound
US-8962852-B2 · Feb 24, 2015 · US