Liquid-crystal medium
US-12595417-B2 · Apr 7, 2026 · US
polycyclic, at least one hydroxy group bound to a non-condensed ring
polycyclic, at least one hydroxy group bound to a non-condensed ring · 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 | C07C35/21 |
| Official title | polycyclic, at least one hydroxy group bound to a non-condensed ring |
| Display label | polycyclic, at least one hydroxy group bound to a non-condensed ring |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 9 |
| 2017 | 7 |
| 2018 | 1 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid-crystal medium
US-2025215323-A1 · Jul 3, 2025 · US
Spiro Compounds as Malodor Counteracting Ingredients
US-2025066690-A1 · Feb 27, 2025 · US
Monomer, polymer, chemically amplified negative resist composition, and resist pattern forming process
US-2025044689-A1 · Feb 6, 2025 · US
Spiro compounds as malodor counteracting ingredients
US-12180434-B2 · Dec 31, 2024 · US
Substituted (4-Hydroxyphenyl)Cycloalkane and (4-Hydroxyphenyl)Cycloalkene Compounds and Uses Thereof as Selective Agonists of the Estrogen Receptor Beta Isoform for Enhanced Memory Consolidation
US-2024327421-A1 · Oct 3, 2024 · US
Biphenyl derivative compound and use thereof
US-11939308-B2 · Mar 26, 2024 · US
Method for preparing hydrogenated bisphenol A
US-11834395-B2 · Dec 5, 2023 · US
Trans-cyclooctenes with high reactivity and favorable physiochemical properties
US-2023331652-A1 · Oct 19, 2023 · US
Procedure for crystallization of (22E)-(24R)-2-methylene-22-dehydro-1α,24-25-trihydroxy-19-nor-vitamin D3
US-11697635-B2 · Jul 11, 2023 · US
Spiro compounds as malodor counteracting ingredients
US-2023159853-A1 · May 25, 2023 · US
Method for preparing cannabidiol compound
US-2022204431-A1 · Jun 30, 2022 · US
Carbon-coated transition metal nanocomposite material, preparation and application thereof
US-11224859-B2 · Jan 18, 2022 · US
Substituted (4-Hydroxyphenyl)Cycloalkane and (4-Hydroxyphenyl)Cycloalkene Compounds and Uses Thereof as Selective Agonists of the Estrogen Receptor Beta Isoform for Enhanced Memory Consolidation
US-2021340155-A1 · Nov 4, 2021 · US
Novel Biphenyl Derivative Compound and Use Thereof
US-2021214324-A1 · Jul 15, 2021 · US
Carbon-Coated Transition Metal Nanocomposite Material, its Preparation and Application Thereof
US-2020269215-A1 · Aug 27, 2020 · US
Procedure for crystallization of (22e)-(24r)-2-methylene-22-dehydro-1a,24-25-trihydroxy-19-nor-vitamin d3
US-2020262773-A1 · Aug 20, 2020 · US
Hydrogenation method for preparing hydrogenated bisphenol-A having a higher trans/trans isomer ratio
US-10611712-B2 · Apr 7, 2020 · US
Tobacco-derived components and materials
US-10595554-B2 · Mar 24, 2020 · US
Hydrogenation method for preparing hydrogenated bisphenol-a having a higher trans/trans isomer ratio
US-2018346398-A1 · Dec 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C35/21?
- CPC C07C35/21 is the Cooperative Patent Classification code for “polycyclic, at least one hydroxy group bound to a non-condensed ring.”
- How many patents are filed under CPC C07C35/21 (polycyclic, at least one hydroxy group bound to a non-condensed ring)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC C07C35/21 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).