Hetero-condensed phenylquinazolines and their use in electronic devices
US-2018370981-A1 · Dec 27, 2018 · US
Peri-condensed systems
Peri-condensed 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 | C07D491/06 |
| Official title | Peri-condensed systems |
| Display label | Peri-condensed systems |
| Total patents | 173 |
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 | 18 |
| 2016 | 14 |
| 2017 | 16 |
| 2018 | 17 |
| 2019 | 11 |
| 2020 | 17 |
| 2021 | 8 |
| 2022 | 21 |
| 2023 | 17 |
| 2024 | 15 |
| 2025 | 17 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hiv replication inhibitor
US-2018362543-A1 · Dec 20, 2018 · US
Organic electroluminescent compound and organic electroluminescent device comprising the same
US-2018351108-A1 · Dec 6, 2018 · US
Cyanated benzoxanthene and benzothioxanthene compounds
US-10125143-B2 · Nov 13, 2018 · US
Heterocyclic Flavone Derivatives, Compositions, and Methods Related Thereto
US-2018280342-A1 · Oct 4, 2018 · US
Pyridin-3-yl acetic acid derivatives as inhibitors of human immunodeficiency virus replication
US-2018222864-A1 · Aug 9, 2018 · US
5-ht2c receptor agonists and compositions and methods of use
US-2018214455-A1 · Aug 2, 2018 · US
Heterocyclic flavone derivatives, compositions, and methods related thereto
US-10010526-B2 · Jul 3, 2018 · US
Therapeutic compounds
US-2018127388-A1 · May 10, 2018 · US
Cyanated benzoxanthene and benzothioxanthene compounds
US-2018065980-A1 · Mar 8, 2018 · US
Therapeutic compounds
US-9879023-B2 · Jan 30, 2018 · US
Lactate dehydrogenase inhibitor and antiepileptic drug containing the same
US-2018015068-A1 · Jan 18, 2018 · US
Compound and organic light-emitting device including the same
US-2017352820-A1 · Dec 7, 2017 · US
Nanofibril materials for highly sensitive and selective sensing of amines
US-9823193-B2 · Nov 21, 2017 · US
Organic electroluminescent element, compound for organic electroluminescent element, and light-emitting device, display device, and illumination device using said element
US-9825237-B2 · Nov 21, 2017 · US
Polycyclic compound and organic eletroluminescence device including the same
US-2017324037-A1 · Nov 9, 2017 · US
2-oxa-5-azabicyclo[2.2.1]heptan-3-yl derivatives
US-9790230-B2 · Oct 17, 2017 · US
Compound and organic light-emitting device including the same
US-2017271596-A1 · Sep 21, 2017 · US
Fluorescent monomers and tagged treatment polymers containing same for use in industrial water systems
US-2017260076-A1 · Sep 14, 2017 · US
Fluorescent monomers and tagged treatment polymers containing same for use in industrial water systems
US-9751789-B2 · Sep 5, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D491/06?
- CPC C07D491/06 is the Cooperative Patent Classification code for “Peri-condensed systems.”
- How many patents are filed under CPC C07D491/06 (Peri-condensed systems)?
- Our database includes 173 publications tagged with this CPC code.
- Is patent activity under CPC C07D491/06 growing?
- Publication counts under this code: 15 in 2024 vs 17 in 2025 (latest complete years).