C09K 2019/188
Ph-c≡c-ph-c≡c-ph
Official title: {Ph-C≡C-Ph-C≡C-Ph}
C09K2019/188 (Ph-c≡c-ph-c≡c-ph) appears on 55 US grants and 66 published applications in this corpus.
Search patents in C09K- Granted patents
- 55
- Published applications
- 66
- Assignees
- 22
- Inventors
- 118
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 7 |
| 2015 | 3 | 5 |
| 2016 | 3 | 2 |
| 2017 | 7 | 7 |
| 2018 | 2 | 4 |
| 2019 | 5 | 3 |
| 2020 | 3 | 5 |
| 2021 | 1 | 3 |
| 2022 | 7 | 8 |
| 2023 | 3 | 5 |
| 2024 | 6 | 2 |
| 2025 | 6 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymerisable liquid crystal material and polymerised liquid crystal film21 Jul 2026US 12,686,820 B2Merck Patent GmbH
- Polymerizable liquid crystal material and polymerized liquid crystal film2 Jun 2026US 12,644,050 B2Merck Patent GmbH
- Liquid crystal medium20 Jan 2026US 12,528,988 B2Merck Patent GmbH
- Liquid crystal composition and element9 Dec 2025US 12,492,342 B2Jnc Corporation
- Organic solid crystals having helical structures formed using cholesteric liquid crystals22 Apr 2025US 12,282,222 B1Meta Platforms Technologies, LLC
- Chiral reactive mesogen mixture24 Sep 2026US 2026/0286221 A1Merck Patent GmbH
- Polymerizable liquid crystal formulations20 Aug 2026US 2026/0242666 A1Merck Patent GmbH
- Compound, liquid crystal composition, and liquid crystal display element, sensor, liquid crystal lens, optical communication equipment, and antenna using same11 Dec 2025US 2025/0377570 A1DIC Corporation
- Liquid crystal composition and element4 Sep 2025US 2025/0277151 A1Jnc Corporation
- Liquid crystal medium15 May 2025US 2025/0154412 A1Merck Patent GmbH
Most cited
By later US patents
- Phenylacetylene compound and liquid crystal composition comprising the same16US 6,149,837 AAgency of Industrial Science and Technology · 2000
- Compound having phenylacetylene structure, liquid crystal composition, polymer, optically anisotropic product, optical or liquid crystal element, dibenzothiophene compound, intermediate, and process for producing the same10US 6,849,202 B2Sumitomo Chemical Company, Limited · 2005
- Compounds for a liquid-crystalline medium, and the use thereof for high-frequency components8US 8,999,198 B2Merck Patent GmbH · 2015
- Compounds of liquid crystalline medium and use thereof for high-frequency components6US 9,169,438 B2Merck Patent GmbH · 2015
- Liquid crystal display device and method for manufacturing same6US 9,771,519 B2Jnc Corporation · 2017