Use of a substituted or unsubstituted polycyclic aromatic hydrocarbon compound for high-resolution microscopy
US-2021388260-A1 · Dec 16, 2021 · US
Polycyclic condensed hydrocarbons
Polycyclic condensed hydrocarbons · 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 | C07C15/20 |
| Official title | Polycyclic condensed hydrocarbons |
| Display label | Polycyclic condensed hydrocarbons |
| Total patents | 116 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 9 |
| 2022 | 15 |
| 2023 | 13 |
| 2024 | 9 |
| 2025 | 7 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Organic compound and organic light-emitting element
US-11196006-B2 · Dec 7, 2021 · US
Materials for electronic devices
US-11063221-B2 · Jul 13, 2021 · US
Anthracene-based compound and organic light-emitting device including the same
US-2021028367-A1 · Jan 28, 2021 · US
Organic compound and organic light-emitting element
US-2020377433-A1 · Dec 3, 2020 · US
Syntheses, characterizations, and applications of heli-acenes
US-2020354294-A1 · Nov 12, 2020 · US
Organic compound
US-10804470-B2 · Oct 13, 2020 · US
Organic compound and organic light-emitting element
US-2020255358-A1 · Aug 13, 2020 · US
Methods for preparing bridged bi-aromatic ligands
US-10689314-B2 · Jun 23, 2020 · US
Hardmask composition, method of forming pattern by using the hardmask composition, and hardmask formed using the hardmask composition
US-10685844-B2 · Jun 16, 2020 · US
Organic compound and organic light-emitting element
US-2020111963-A1 · Apr 9, 2020 · US
Organic electroluminescent devices
US-2020083461-A1 · Mar 12, 2020 · US
Electroluminescent compound and electroluminescent device including the same
US-2019378981-A1 · Dec 12, 2019 · US
Carbon nanobelt and production method therefor
US-2019375692-A1 · Dec 12, 2019 · US
Organic electroluminescent element
US-2019372023-A1 · Dec 5, 2019 · US
Organic compound
US-2019355909-A1 · Nov 21, 2019 · US
Bisbenzofuran-fused 2,8-diaminoindeno[1,2-b]fluorene derivatives and related compounds as materials for organic electroluminescent devices (oled)
US-2019315764-A1 · Oct 17, 2019 · US
Removal of sulfur from naphtha
US-10443001-B2 · Oct 15, 2019 · US
Graphene nanoribbons with controlled zig-zag edge and cove edge configuration
US-10329378-B2 · Jun 25, 2019 · US
Hardmask composition, method of forming pattern by using the hardmask composition, and hardmask formed using the hardmask composition
US-2019035635-A1 · Jan 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C15/20?
- CPC C07C15/20 is the Cooperative Patent Classification code for “Polycyclic condensed hydrocarbons.”
- How many patents are filed under CPC C07C15/20 (Polycyclic condensed hydrocarbons)?
- Our database includes 116 publications tagged with this CPC code.
- Is patent activity under CPC C07C15/20 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).