Liquid crystal composition, optically anisotropic layer, optical film, polarizing plate, and image display device
US-2026049245-A1 · Feb 19, 2026 · US
Solvents
Solvents · 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 | C09K2019/525 |
| Official title | {Solvents} |
| Display label | Solvents |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 5 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid crystal composition, preparation method of the same, and display panel
US-12528989-B2 · Jan 20, 2026 · US
Polymerizable liquid crystal ink formulations
US-12460134-B2 · Nov 4, 2025 · US
Cationic gettering in liquid crystal NCAP and PDLC films
US-12421453-B2 · Sep 23, 2025 · US
Optical film and electroluminescence display device
US-12204126-B2 · Jan 21, 2025 · US
Liquid crystal composition, preparation method of the same, and display panel
US-2024247191-A1 · Jul 25, 2024 · US
Transparent structure and screen for beam projector including same
US-2024176222-A1 · May 30, 2024 · US
Cationic gettering in liquid crystal ncap and pdlc films
US-2024117251-A1 · Apr 11, 2024 · US
Optical film and electroluminescence display device
US-2023358935-A1 · Nov 9, 2023 · US
Liquid crystal polyester and film comprising the same
US-2023295513-A1 · Sep 21, 2023 · US
Composite, slurry composition, film, and metal-clad laminate
US-2023106477-A1 · Apr 6, 2023 · US
Optical film comprising a stretched resin film and a liquid crystal layer including a polyfunctional compound having two or more polymerizable groups in one molecule, circularly polarizing plate, and image display apparatus
US-11592703-B2 · Feb 28, 2023 · US
Optical film, circularly polarizing plate, and image display apparatus
US-2023004044-A1 · Jan 5, 2023 · US
Polymerizable liquid crystal material, polymerizable liquid crystal composition, polymer, optical film, optically anisotropic body, polarizing plate, anti-reflection film, display device, and method of producing polymerizable liquid crystal composition
US-11492552-B2 · Nov 8, 2022 · US
Liquid crystal polyester powder, liquid crystal polyester composition, film producing method, and laminate producing method
US-2022089899-A1 · Mar 24, 2022 · US
Polymerizable liquid crystal ink formulations
US-2022056340-A1 · Feb 24, 2022 · US
Polymerizable liquid crystal material, polymerizable liquid crystal composition, polymer, optical film, optically anisotropic body, polarizing plate, anti-reflection film, display device, and method of producing polymerizable liquid crystal composition
US-2020369958-A1 · Nov 26, 2020 · US
Patterned liquid crystal alignment using ink-jet printed nanoparticles and use thereof to produce patterned, electro-optically addressable devices; ink-jet printable compositions
US-10788713-B2 · Sep 29, 2020 · US
Liquid crystal aligning agent, liquid crystal alignment film and liquid crystal element
US-2020048556-A1 · Feb 13, 2020 · US
Patterned liquid crystal alignment using ink-jet printed nanoparticles and use thereof to produce patterned, electro-optically addressable devices; ink-jet printable compositions
US-10545383-B2 · Jan 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K2019/525?
- CPC C09K2019/525 is the Cooperative Patent Classification code for “Solvents.”
- How many patents are filed under CPC C09K2019/525 (Solvents)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C09K2019/525 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).