Treatment of pharmacoresistant epilepsy
US-2025186408-A1 · Jun 12, 2025 · US
polycyclic
polycyclic · 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 | C07C49/813 |
| Official title | polycyclic |
| Display label | polycyclic |
| Total patents | 59 |
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 | 12 |
| 2016 | 7 |
| 2017 | 10 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 10 |
| 2021 | 3 |
| 2022 | 2 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Production method for fluoromethyl derivative
US-2025051299-A1 · Feb 13, 2025 · US
Production method for fluoromethyl derivative
US-12162854-B2 · Dec 10, 2024 · US
Metal Complex, Semiconductor Layer Comprising a Metal Complex and Organic Electronic Device
US-2024383935-A1 · Nov 21, 2024 · US
Compound, Semiconductor Layer Comprising Compound and Organic Electronic Device
US-2024381760-A1 · Nov 14, 2024 · US
Decarboxylative cross-coupling and applications thereof
US-11512071-B2 · Nov 29, 2022 · US
Method for aromatic fluorination
US-11230517-B2 · Jan 25, 2022 · US
Production method for fluoromethyl derivative
US-2021206740-A1 · Jul 8, 2021 · US
Targeted, metal-catalyzed fluorination of complex compounds with fluoride ion via decarboxylation
US-10974235-B2 · Apr 13, 2021 · US
Method for aromatic fluorination
US-10913696-B2 · Feb 9, 2021 · US
Process for the preparation of dihalobenzophenones, new chemicals useful for its implementation and methods for preparing said chemicals
US-2020377515-A1 · Dec 3, 2020 · US
New cycloadduct precursors of dihalobenzophenones and preparations thereof
US-2020369684-A1 · Nov 26, 2020 · US
Pharmaceutical composition containing verbenone derivative for treating or preventing neurodegenerative disease
US-10710951-B2 · Jul 14, 2020 · US
Method for aromatic fluorination
US-10654776-B2 · May 19, 2020 · US
Method for producing cyclopropyl-substituted acetophenones
US-10633321-B2 · Apr 28, 2020 · US
Targeted, metal-catalyzed fluorination of complex compounds with fluoride ion via decarboxylation
US-2020108380-A1 · Apr 9, 2020 · US
Isotopic fluorination and applications thereof
US-10590057-B2 · Mar 17, 2020 · US
Targeted, metal-catalyzed fluorination of complex compounds with fluoride ion via decarboxylation
US-10543481-B2 · Jan 28, 2020 · US
Oxy-cope rearrangement for the manufacture of insecticidal cyclopentene compounds
US-10526264-B2 · Jan 7, 2020 · US
Method for producing cyclopropyl-substituted acetophenones
US-2020002259-A1 · Jan 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C49/813?
- CPC C07C49/813 is the Cooperative Patent Classification code for “polycyclic.”
- How many patents are filed under CPC C07C49/813 (polycyclic)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC C07C49/813 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).