Liquid crystal compound having difluoromethyleneoxy, liquid crystal composition and liquid crystal display device
US-2015376502-A1 · Dec 31, 2015 · US
with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms · 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 | C07D239/26 |
| Official title | with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms |
| Display label | with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms |
| Total patents | 1,121 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 102 |
| 2016 | 119 |
| 2017 | 151 |
| 2018 | 116 |
| 2019 | 108 |
| 2020 | 106 |
| 2021 | 87 |
| 2022 | 85 |
| 2023 | 99 |
| 2024 | 68 |
| 2025 | 70 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Substituted Phenyl(Oxy/Thio)Alkanol Derivatives
US-2015376147-A1 · Dec 31, 2015 · US
Liquid crystal compound, liquid crystal composition and liquid crystal display device
US-2015376504-A1 · Dec 31, 2015 · US
Liquid crystal compound, liquid crystal composition and liquid crystal display device
US-2015368272-A1 · Dec 24, 2015 · US
Pesticidal compositions and processes related thereto
US-9215870-B2 · Dec 22, 2015 · US
Pesticidal compositions and processes related thereto
US-9210927-B2 · Dec 15, 2015 · US
Spirally configured cis-stilbene/fluorene hybrid materials as hole-blocking type electron-transporters for OLED
US-9209413-B1 · Dec 8, 2015 · US
Substituted benzene fungicides
US-9198433-B2 · Dec 1, 2015 · US
Organic light-emitting element, organometallic complex, light-emitting device, electronic appliance, and lighting device
US-9200022-B2 · Dec 1, 2015 · US
Luminescent material for organic optoelectric device and organic optoelectric device and display device
US-2015340618-A1 · Nov 26, 2015 · US
Substituted benzene fungicides
US-2015335023-A1 · Nov 26, 2015 · US
Fluorene compound and pharmaceutical use thereof
US-2015329491-A1 · Nov 19, 2015 · US
Cyclic azine derivatives, processes for producing these, and organic electroluminescent element containing these as component
US-2015329544-A1 · Nov 19, 2015 · US
Substituted phenyl(oxy/thio)alkanol derivatives
US-9187431-B2 · Nov 17, 2015 · US
Piperidine/piperazine derivatives
US-2015322088-A1 · Nov 12, 2015 · US
Liquid-crystalline media, components for high-frequency technology, and mesogenic compounds
US-2015322344-A1 · Nov 12, 2015 · US
Heteroaryl compounds as sodium channel blockers
US-9181185-B2 · Nov 10, 2015 · US
Amine Derivatives as Potassium Channel Blockers
US-2015299184-A1 · Oct 22, 2015 · US
Octahydro binaphthyl-based chiral compound-containing liquid-crystal composition and optical element
US-2015291548-A1 · Oct 15, 2015 · US
Benzamides
US-2015283134-A1 · Oct 8, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D239/26?
- CPC C07D239/26 is the Cooperative Patent Classification code for “with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms.”
- How many patents are filed under CPC C07D239/26 (with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms)?
- Our database includes 1,121 publications tagged with this CPC code.
- Is patent activity under CPC C07D239/26 growing?
- Publication counts under this code: 68 in 2024 vs 70 in 2025 (latest complete years).