Series of Compounds for Treatment of Skin Diseases and Other Conditions
US-2025361197-A1 · Nov 27, 2025 · US
with at least one hydroxy group on a condensed ring system
with at least one hydroxy group on a condensed ring system · 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 | C07C39/225 |
| Official title | with at least one hydroxy group on a condensed ring system |
| Display label | with at least one hydroxy group on a condensed ring system |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 4 |
| 2022 | 6 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Series of compounds for treatment of skin diseases and other conditions
US-12358859-B2 · Jul 15, 2025 · US
Composition, resist underlayer film, method of forming resist underlayer film, method of producing patterned substrate, and compound
US-12265333-B2 · Apr 1, 2025 · US
Aromatic underlayer
US-12099300-B2 · Sep 24, 2024 · US
Hardmask composition, hardmask layer and method of forming patterns
US-2024255842-A1 · Aug 1, 2024 · US
Monofunctional phenolic compound, active ester resin and method for producing the same, and thermosetting resin composition and cured product thereof
US-12017980-B2 · Jun 25, 2024 · US
Materials for organic electroluminescent devices
US-2023295104-A1 · Sep 21, 2023 · US
Series of Compounds for Treatment of Skin Diseases and Other Conditions
US-2022411356-A1 · Dec 29, 2022 · US
Resist composition, method for forming resist pattern, and polyphenol compound used therein
US-11480877-B2 · Oct 25, 2022 · US
Series of compounds for treatment of skin diseases and other conditions
US-11414366-B2 · Aug 16, 2022 · US
Polycarbonate resin composition, molded article, polycarbonate resin, and end-capping agent for polycarbonate resin
US-11370883-B2 · Jun 28, 2022 · US
Monofunctional phenolic compound, active ester resin and method for producing the same, and thermosetting resin composition and cured product thereof
US-2022033333-A1 · Feb 3, 2022 · US
Composition, resist underlayer film, method of forming resist underlayer film, method of producing patterned substrate, and compound
US-2022011672-A1 · Jan 13, 2022 · US
Aromatic underlayer
US-2020142309-A1 · May 7, 2020 · US
Series of Compounds for Treatment of Skin Diseases and Other Conditions
US-2020115307-A1 · Apr 16, 2020 · US
Polycarbonate resin composition, molded article, polycarbonate resin, and end-capping agent for polycarbonate resin
US-2020115496-A1 · Apr 16, 2020 · US
Compound, method for manufacturing the compound, and composition for forming organic film
US-10604618-B2 · Mar 31, 2020 · US
Compound, method for manufacturing the compound, and composition for forming organic film
US-2019390000-A1 · Dec 26, 2019 · US
Method for producing polyalkenylphenol compound, curable composition including polyalkenylphenol compound, and cured product of curable composition
US-2019225566-A1 · Jul 25, 2019 · US
Monomer for hardmask composition and hardmask composition including the monomer and method of forming patterns using the hardmask composition
US-10345706-B2 · Jul 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C39/225?
- CPC C07C39/225 is the Cooperative Patent Classification code for “with at least one hydroxy group on a condensed ring system.”
- How many patents are filed under CPC C07C39/225 (with at least one hydroxy group on a condensed ring system)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC C07C39/225 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).