Liquid-crystalline media
US-11377596-B2 · Jul 5, 2022 · US
containing at least two benzene rings
containing at least two benzene rings · 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 | C09K19/10 |
| Official title | containing at least two benzene rings |
| Display label | containing at least two benzene rings |
| Total patents | 78 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 11 |
| 2018 | 12 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid crystal dielectric applicable to high-frequency electromagnetic wave modulation, and component thereof
US-11345854-B2 · May 31, 2022 · US
Polarizing plate for light-emitting display device, and light-emitting display device including same
US-11204520-B2 · Dec 21, 2021 · US
Liquid crystal cell and scanning antenna
US-11189914-B2 · Nov 30, 2021 · US
Liquid-crystalline medium and high-frequency components comprising same
US-11180698-B2 · Nov 23, 2021 · US
Liquid crystal dielectric applicable to high-frequency electromagnetic wave modulation, and component thereof
US-2021317369-A1 · Oct 14, 2021 · US
Composition, retardation film, and method for producing retardation film
US-2021198574-A1 · Jul 1, 2021 · US
Compound, mixture, liquid crystal composition, cured product, optically anisotropic body, and reflective film
US-2021189243-A1 · Jun 24, 2021 · US
Compounds and liquid-crystalline medium
US-10913897-B2 · Feb 9, 2021 · US
Compounds and liquid-crystalline medium
US-10907100-B2 · Feb 2, 2021 · US
Isothiocyanato-tolanes
US-2020347301-A1 · Nov 5, 2020 · US
Polarizing plate for light-emitting display device, and light-emitting display device including same
US-2020333520-A1 · Oct 22, 2020 · US
Optically isotropic liquid crystal composition and optical switching device using same
US-2020299581-A1 · Sep 24, 2020 · US
Liquid-crystalline medium and high-frequency components comprising same
US-2020255737-A1 · Aug 13, 2020 · US
Liquid-crystalline medium and high-frequency components comprising same
US-10711197-B2 · Jul 14, 2020 · US
Liquid crystal composition, method for producing retardation layer, and circularly polarizing plate
US-10533137-B2 · Jan 14, 2020 · US
Liquid crystal composition and liquid crystal display device
US-10442992-B2 · Oct 15, 2019 · US
Liquid crystal composition and liquid crystal display device
US-10385272-B2 · Aug 20, 2019 · US
Liquid crystal cell and scanning antenna
US-2019221927-A1 · Jul 18, 2019 · US
Nematic liquid crystal composition and liquid crystal display element using the same
US-10323186-B2 · Jun 18, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K19/10?
- CPC C09K19/10 is the Cooperative Patent Classification code for “containing at least two benzene rings.”
- How many patents are filed under CPC C09K19/10 (containing at least two benzene rings)?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC C09K19/10 growing?
- Publication counts under this code: 3 in 2024 vs 6 in 2025 (latest complete years).