C09K 19/3447
Pyridine condensed or bridged with another ring system
Official title: {Pyridine condensed or bridged with another ring system, e.g. quinoline or acridine}
C09K19/3447 (Pyridine condensed or bridged with another ring system) appears on 20 US grants and 26 published applications in this corpus.
Search patents in C09K- Granted patents
- 20
- Published applications
- 26
- Assignees
- 9
- Inventors
- 76
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 4 |
| 2018 | 2 | 6 |
| 2019 | 2 | 1 |
| 2020 | 4 | 1 |
| 2021 | 0 | 4 |
| 2022 | 3 | 2 |
| 2023 | 3 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
By publication year.
Recent patents
- Liquid-crystal display26 Aug 2025US 12,398,325 B2Merck Patent GmbH
- Reactive mesogens10 Dec 2024US 12,162,834 B2Merck Patent GmbH
- Optically anisotropic layer, method of manufacturing the same, laminate, method of manufacturing the same, polarizing plate, liquid crystal display device, and organic EL display device3 Sep 2024US 12,078,832 B2FUJIFILM Corporation
- Liquid-crystal medium10 Oct 2023US 11,781,069 B2Merck Patent GmbH
- Optically anisotropic layer, method of manufacturing the same, laminate, method of manufacturing the same, polarizing plate, liquid crystal display device, and organic EL display29 Aug 2023US 11,740,398 B2FUJIFILM Corporation
- Liquid-crystalline medium7 Aug 2025US 2025/0250486 A1Merck Patent GmbH
- Compound, composition, cured product, optically anisotropic body, optical element, and light guide element6 Jun 2024US 2024/0182785 A1FUJIFILM Corporation
- Optically anisotropic layer, method of manufacturing the same, laminate, method of manufacturing the same, polarizing plate, liquid crystal display device, and organic el display device5 Oct 2023US 2023/0314680 A1FUJIFILM Corporation
- Optically anisotropic layer, method of manufacturing the same, laminate, method of manufacturing the same, polarizing plate, liquid crystal display device, and organic el display device3 Nov 2022US 2022/0350067 A1FUJIFILM Corporation
- Reactive mesogens28 Jul 2022US 2022/0234988 A1Merck Patent GmbH
Most cited
By later US patents
- Liquid-crystalline medium and liquid-crystal display comprising the same5US 10,364,392 B2Merck Patent GmbH · 2019
- Optically anisotropic layer, method of manufacturing the same, laminate, method of manufacturing the same, polarizing plate, liquid crystal display device, and organic EL display device3US 10,048,416 B2FUJIFILM Corporation · 2018
- Alkynyl-tolanes, liquid-crystal mixtures containing them and components for high-frequency technology3US 10,099,975 B2Merck Patent GmbH · 2018
- Polymerizable liquid crystal compound, composition, liquid crystal polymerization film-kind thereof and use thereof2US 10,581,022 B2Jnc Corporation · 2020
- Optically anisotropic layer, method of manufacturing the same, laminate, method of manufacturing the same, polarizing plate, liquid crystal display device, and organic EL display device1US 12,078,832 B2FUJIFILM Corporation · 2024