C09K 2019/181
Ph-c≡c-ph
Official title: {Ph-C≡C-Ph}
C09K2019/181 (Ph-c≡c-ph) appears on 132 US grants and 180 published applications in this corpus.
Search patents in C09K- Granted patents
- 132
- Published applications
- 180
- Assignees
- 36
- Inventors
- 271
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 2 | 2 |
| 2011 | 2 | 4 |
| 2012 | 3 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 5 |
| 2015 | 3 | 9 |
| 2016 | 6 | 10 |
| 2017 | 11 | 17 |
| 2018 | 8 | 18 |
| 2019 | 10 | 24 |
| 2020 | 14 | 14 |
| 2021 | 10 | 14 |
| 2022 | 15 | 10 |
| 2023 | 13 | 15 |
| 2024 | 12 | 10 |
| 2025 | 11 | 9 |
| 2026 | 5 | 8 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Liquid crystal compounds29 Sep 2026US 12,747,392 B2Rolic Technologies AG
- Liquid crystalline compound, liquid crystal composition, and element16 Jun 2026US 12,655,351 B2Jnc Corporation
- Isothiocyanatoethynylbenzene derivatives27 Jan 2026US 12,534,669 B2Merck Patent GmbH
- Liquid crystal compounds27 Jan 2026US 12,534,670 B2Rolic Technologies AG
- Liquid crystal medium20 Jan 2026US 12,528,988 B2Merck Patent GmbH
- Polymerizable liquid crystal formulations20 Aug 2026US 2026/0242666 A1Merck Patent GmbH
- Liquid-crystalline medium6 Aug 2026US 2026/0226350 A1Merck Patent GmbH
- Liquid crystalline compound, liquid crystal composition, and element11 Jun 2026US 2026/0159758 A1Jnc Corporation
- Liquid crystal composition for radio wave control element, and radio wave control element21 May 2026US 2026/0142380 A1FUJIFILM Corporation
- Liquid crystal medium and electronic component14 May 2026US 2026/0132337 A1Merck Patent GmbH
Most cited
By later US patents
- Liquid crystalline medium14US 7,989,035 B2Merck Patent GmbH · 2011
- Liquid-crystalline medium13US 8,277,907 B2Merck Patent GmbH · 2012
- Liquid-crystalline medium and high-frequency components comprising same11US 10,711,197 B2Merck Patent GmbH · 2020
- Liquid-crystalline medium10US 9,714,381 B2Merck Patent GmbH · 2017
- Liquid-crystalline medium and high-frequency components comprising same9US 9,593,279 B2Merck Patent GmbH · 2017