C09K 2019/305
Cy-ch=ch-cy
Official title: {Cy-CH=CH-Cy}
C09K2019/305 (Cy-ch=ch-cy) appears on 41 US grants and 49 published applications in this corpus.
Search patents in C09K- Granted patents
- 41
- Published applications
- 49
- Assignees
- 10
- Inventors
- 82
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 3 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 3 | 8 |
| 2016 | 6 | 4 |
| 2017 | 1 | 8 |
| 2018 | 6 | 3 |
| 2019 | 6 | 2 |
| 2020 | 3 | 0 |
| 2021 | 1 | 5 |
| 2022 | 3 | 4 |
| 2023 | 2 | 1 |
| 2024 | 4 | 2 |
| 2025 | 3 | 3 |
By publication year.
Recent patents
- Liquid crystal compound, liquid crystal composition thereof, and liquid crystal display device4 Nov 2025US 12,460,133 B2Jiangsu Hecheng Display Technology Co., Ltd.
- Heteroaromatic isothiocyanates15 Jul 2025US 12,359,128 B2Merck Patent GmbH
- Liquid-crystal medium10 Jun 2025US 12,325,817 B2Merck Patent GmbH
- Liquid crystal composition and liquid crystal display device comprising same8 Oct 2024US 12,110,437 B2Jiangsu Hecheng Display Technology Co., Ltd.
- Liquid crystal display device16 Apr 2024US 11,959,006 B2Sharp Kabushiki Kaisha
- Liquid-crystal medium25 Sep 2025US 2025/0297161 A1Merck Patent GmbH
- Liquid-crystalline medium7 Aug 2025US 2025/0250486 A1Merck Patent GmbH
- Liquid crystal compound, liquid crystal composition thereof, and liquid crystal display device29 May 2025US 2025/0171690 A1Jiangsu Hecheng Display Technology Co., Ltd.
- Heteroaromatic isothiocyanates18 Apr 2024US 2024/0124779 A1Merck Patent GmbH
- Liquid crystal composition and liquid crystal display device comprising same25 Jan 2024US 2024/0026223 A1Jiangsu Hecheng Display Technology Co., Ltd.
Most cited
By later US patents
- Liquid-crystalline medium16US 7,785,677 B2Merck Patent GmbH · 2010
- Liquid crystalline medium14US 7,989,035 B2Merck Patent GmbH · 2011
- Liquid-crystalline medium13US 8,277,907 B2Merck Patent GmbH · 2012
- Liquid-crystalline medium9US 11,008,515 B2Merck Patent GmbH · 2021
- Liquid-crystalline medium7US 8,968,840 B2Merck Patent GmbH · 2015