C09K 2019/2042
Ph-ph-coo-ph
Official title: {Ph-Ph-COO-Ph}
C09K2019/2042 (Ph-ph-coo-ph) appears on 54 US grants and 76 published applications in this corpus.
Search patents in C09K- Granted patents
- 54
- Published applications
- 76
- Assignees
- 40
- Inventors
- 202
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 2 |
| 2013 | 3 | 4 |
| 2014 | 1 | 2 |
| 2015 | 2 | 8 |
| 2016 | 5 | 9 |
| 2017 | 6 | 3 |
| 2018 | 3 | 2 |
| 2019 | 2 | 4 |
| 2020 | 1 | 8 |
| 2021 | 1 | 6 |
| 2022 | 6 | 3 |
| 2023 | 6 | 3 |
| 2024 | 4 | 7 |
| 2025 | 4 | 6 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid crystalline medium and electro-optical device16 Jun 2026US 12,655,350 B2Merck Patent GmbH
- Mixture including ferroelectric nematic phase and methods of forming and using same12 May 2026US 12,624,288 B2The Regents of the University of Colorado, a body corporate
- Ferroelectric nematic liquid crystalline medium7 Apr 2026US 12,595,414 B2Merck Patent GmbH
- Low dielectric, high heat-dissipation liquid crystal polymer composition for millimeter wave band, and method for producing same13 Jan 2026US 12,522,767 B2Industrial Cooperation Foundation Jeonbuk National University
- Light absorption anisotropic layer, optical film, viewing angle control system, and image display device6 Jan 2026US 12,516,244 B2FUJIFILM Corporation
- Liquid crystal composition, light absorption anisotropic film, laminate, image display device, and polymer2 Jul 2026US 2026/0184994 A1FUJIFILM Corporation
- Liquid crystal composition and display panel30 Apr 2026US 2026/0117125 A1Tcl China Star Optoelectronics Technology Co., Ltd.
- Liquid crystalline medium29 Jan 2026US 2026/0028530 A1Merck Patent GmbH
- Liquid crystal panel4 Dec 2025US 2025/0368896 A1Sharp Display Technology Corporation
- Ferroelectric smectic liquid crystalline medium16 Oct 2025US 2025/0320408 A1Merck Patent GmbH
Most cited
By later US patents
- Liquid crystal device with phenylenevinylene or phenylene sulfide alignment films having particular high electrical conductivity17US 5,239,398 ACanon Kabushiki Kaisha · 1993
- Polymerizable compound-containing liquid crystal composition and liquid crystal display element using same7US 9,725,651 B2DIC Corporation · 2017
- Liquid crystal composition and liquid crystal display device6US 7,625,610 B2Chisso Corporation · 2009
- Electrooptical liquid crystal display4US 6,815,017 B2Merck Patent GmbH · 2004
- Liquid-crystalline compounds and liquid-crystalline media4US 8,551,359 B2Merck Patent GmbH · 2013