Liquid-crystalline medium
US-12552991-B2 · Feb 17, 2026 · US
Non-steroidal liquid crystal compounds
Non-steroidal liquid crystal compounds · 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 | C09K19/06 |
| Official title | Non-steroidal liquid crystal compounds |
| Display label | Non-steroidal liquid crystal compounds |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 7 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid-crystalline medium
US-2024368471-A1 · Nov 7, 2024 · US
Liquid-crystalline medium
US-12043781-B2 · Jul 23, 2024 · US
Liquid crystal medium
US-11952527-B2 · Apr 9, 2024 · US
Dichroic dye composition
US-11939512-B2 · Mar 26, 2024 · US
Polymerizable LC material and polymer film
US-11851600-B2 · Dec 26, 2023 · US
Charge transportation in nanostructured functional selenium-containing liquid crystalline materials
US-11814346-B1 · Nov 14, 2023 · US
Liquid-crystal medium
US-2023357637-A1 · Nov 9, 2023 · US
Dichroic dye composition
US-2023053362-A1 · Feb 23, 2023 · US
Liquid crystal medium
US-2023024370-A1 · Jan 26, 2023 · US
Liquid-crystalline medium
US-2022372371-A1 · Nov 24, 2022 · US
Polymerizable LC Material and Polymer Film
US-2022162505-A1 · May 26, 2022 · US
Additives for liquid-crystal mixtures
US-2021261865-A1 · Aug 26, 2021 · US
Liquid crystal display element and liquid crystal composition
US-2021071079-A1 · Mar 11, 2021 · US
Liquid crystal medium containing polymerisable compounds
US-10894918-B2 · Jan 19, 2021 · US
Liquid crystal medium
US-10851301-B2 · Dec 1, 2020 · US
Liquid crystal medium containing polymerisable compounds
US-10570335-B2 · Feb 25, 2020 · US
Liquid crystal composition and liquid crystal display device
US-10442993-B2 · Oct 15, 2019 · US
Polymerizable compounds and the use thereof in liquid-crystal displays
US-10414743-B2 · Sep 17, 2019 · US
Organic EL display device and liquid crystal display device
US-10396304-B2 · Aug 27, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K19/06?
- CPC C09K19/06 is the Cooperative Patent Classification code for “Non-steroidal liquid crystal compounds.”
- How many patents are filed under CPC C09K19/06 (Non-steroidal liquid crystal compounds)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC C09K19/06 growing?
- Publication counts under this code: 5 in 2023 vs 4 in 2024 (latest complete years).