C09K 19/46
Containing esters
Official title: containing esters
C09K19/46 (Containing esters) appears on 453 US grants and 159 published applications in this corpus.
Search patents in C09K- Granted patents
- 453
- Published applications
- 159
- Assignees
- 111
- Inventors
- 695
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 10 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 12 | 0 |
| 1992 | 17 | 0 |
| 1993 | 28 | 0 |
| 1994 | 20 | 0 |
| 1995 | 23 | 0 |
| 1996 | 13 | 0 |
| 1997 | 16 | 0 |
| 1998 | 40 | 0 |
| 1999 | 20 | 0 |
| 2000 | 28 | 0 |
| 2001 | 21 | 0 |
| 2002 | 15 | 21 |
| 2003 | 23 | 20 |
| 2004 | 19 | 13 |
| 2005 | 6 | 7 |
| 2006 | 9 | 7 |
| 2007 | 9 | 3 |
| 2008 | 4 | 2 |
| 2009 | 0 | 4 |
| 2010 | 7 | 2 |
| 2011 | 2 | 9 |
| 2012 | 4 | 6 |
| 2013 | 6 | 7 |
| 2014 | 5 | 5 |
| 2015 | 5 | 7 |
| 2016 | 7 | 9 |
| 2017 | 7 | 4 |
| 2018 | 6 | 11 |
| 2019 | 3 | 6 |
| 2020 | 1 | 4 |
| 2021 | 4 | 3 |
| 2022 | 4 | 4 |
| 2023 | 2 | 0 |
| 2024 | 2 | 1 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid-crystal medium7 Jul 2026US 12,674,098 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
- Liquid-crystal display26 Aug 2025US 12,398,325 B2Merck Patent GmbH
- Dye-doped liquid-crystal medium comprising polymerizable compounds18 Feb 2025US 12,227,688 B2Merck Patent GmbH
- Liquid crystal composition, liquid crystal display panel, and manufacturing method thereof10 Dec 2024US 12,163,082 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Polymerizable compound and use thereof2 Apr 2026US 2026/0092214 A1Beijing Bayi Space Lcd Technology Co., Ltd
- Liquid crystal composition and display panel19 Mar 2026US 2026/0078302 A1Tcl China Star Optoelectronics Technology Co., Ltd.
- Liquid crystal dimming device20 Nov 2025US 2025/0354062 A1Jiangsu Hecheng Display Technology Co., Ltd.
- Liquid-crystal medium4 Sep 2025US 2025/0277152 A1Merck Patent GmbH
- Mixture including ferroelectric nematic phase and methods of forming and using same7 Nov 2024US 2024/0368470 A1The Regents of the University of Colorado, a body corporate
Most cited
By later US patents
- Polymerizable liquid-crystalline compounds85US 5,833,880 ABASF SE · 1998
- Liquid crystal display device with compensation layers46US 4,973,137 ASharp Kabushiki Kaisha · 1990
- Optically active liquid crystal mixtures and liquid crystal devices containing them45US 4,149,413 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Norther Ireland · 1979
- Ferroelectric liquid crystal devices having reverse twist angle and stable states resulting from A.C. excitation45US 4,778,259 ACanon Kabushiki Kaisha · 1988
- Polyhaloalkyl ether derivatives as well as liquid crystal compositions and liquid crystal display elements containing them44US 6,007,740 AChisso Corporation · 1999