Bimesogenic compounds and mesogenic media
US-2017369780-A1 · Dec 28, 2017 · US
containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane 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 | C09K19/30 |
| Official title | containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings |
| Display label | containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings |
| Total patents | 316 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 27 |
| 2017 | 40 |
| 2018 | 52 |
| 2019 | 61 |
| 2020 | 33 |
| 2021 | 21 |
| 2022 | 16 |
| 2023 | 8 |
| 2024 | 14 |
| 2025 | 20 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid crystal display device
US-2017363891-A1 · Dec 21, 2017 · US
Nematic liquid crystal composition and liquid crystal display element using the same
US-2017327742-A1 · Nov 16, 2017 · US
Liquid crystal composition and liquid crystal display device
US-2017298276-A1 · Oct 19, 2017 · US
Polymerizable compound-containing liquid crystal composition and liquid crystal display device using the same
US-9777220-B2 · Oct 3, 2017 · US
Liquid crystal composition and liquid crystal display device using the same
US-2017218271-A1 · Aug 3, 2017 · US
Liquid-crystal display element
US-2017210988-A1 · Jul 27, 2017 · US
Liquid crystal composition and liquid crystal display device including the same
US-2017081587-A1 · Mar 23, 2017 · US
Liquid-crystalline medium and liquid-crystal display
US-2017002269-A1 · Jan 5, 2017 · US
Bimesogenic compounds and mesogenic media
US-2017002268-A1 · Jan 5, 2017 · US
Liquid-crystalline media, components for high-frequency technology, and mesogenic compounds
US-9523037-B2 · Dec 20, 2016 · US
Negative dielectric anisotropic liquid crystal compounds containing 2,3-difluorophenyl group, and preparation method and use thereof
US-9517990-B2 · Dec 13, 2016 · US
Cycloheptane derivative and preparation method and use thereof
US-9493704-B2 · Nov 15, 2016 · US
Liquid crystal composition and liquid crystal display including the same
US-2016326434-A1 · Nov 10, 2016 · US
Liquid crystal composition and application thereof
US-2016326435-A1 · Nov 10, 2016 · US
Liquid crystal composition and liquid crystal display device
US-2016280995-A1 · Sep 29, 2016 · US
Liquid crystal display device
US-9441158-B2 · Sep 13, 2016 · US
Liquid crystal composition having negative dielectric anisotropy
US-9428693-B2 · Aug 30, 2016 · US
Polymerizable compound-containing liquid crystal composition and liquid crystal display device using the same
US-2016244672-A1 · Aug 25, 2016 · US
Cyclopropyl-bearing liquid crystal compounds and mixtures
US-9404038-B2 · Aug 2, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K19/30?
- CPC C09K19/30 is the Cooperative Patent Classification code for “containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings.”
- How many patents are filed under CPC C09K19/30 (containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings)?
- Our database includes 316 publications tagged with this CPC code.
- Is patent activity under CPC C09K19/30 growing?
- Publication counts under this code: 14 in 2024 vs 20 in 2025 (latest complete years).