C09K 19/2014
Containing additionally a linking group other than -coo- or -oco-
Official title: {containing additionally a linking group other than -COO- or -OCO-, e.g. -CH2-CH2-, -CH=CH-, -C=C-; containing at least one additional carbon atom in the chain containing -COO- or -OCO- groups, e.g. -(CH2)m-COO-(CH2)n-}
C09K19/2014 (Containing additionally a linking group other than -coo- or -oco-) appears on 157 US grants and 165 published applications in this corpus.
Search patents in C09K- Granted patents
- 157
- Published applications
- 165
- Assignees
- 63
- Inventors
- 425
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 5 |
| 2003 | 12 | 4 |
| 2004 | 4 | 6 |
| 2005 | 2 | 4 |
| 2006 | 3 | 5 |
| 2007 | 4 | 6 |
| 2008 | 2 | 4 |
| 2009 | 4 | 3 |
| 2010 | 6 | 9 |
| 2011 | 7 | 6 |
| 2012 | 5 | 5 |
| 2013 | 10 | 4 |
| 2014 | 0 | 6 |
| 2015 | 5 | 17 |
| 2016 | 8 | 14 |
| 2017 | 8 | 16 |
| 2018 | 9 | 15 |
| 2019 | 10 | 8 |
| 2020 | 9 | 12 |
| 2021 | 7 | 6 |
| 2022 | 5 | 4 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymerizable liquid crystal material and polymerized liquid crystal film2 Jun 2026US 12,644,050 B2Merck Patent GmbH
- Liquid crystal mixture and liquid crystal display26 Mar 2024US 11,939,511 B2Merck Patent GmbH
- Liquid crystal mixture and liquid crystal display20 Feb 2024US 11,905,450 B2Merck Patent GmbH
- Liquid crystal display device and production method for liquid crystal display device13 Jun 2023US 11,675,233 B2Sharp Kabushiki Kaisha
- Photoreactive liquid crystal composition, display element, optical element, method for manufacturing display element, and method for manufacturing optical element24 Jan 2023US 11,560,517 B2Nagaoka University of Technology
- Polymerizable liquid crystal formulations20 Aug 2026US 2026/0242666 A1Merck Patent GmbH
- Polymerizable compounds for orthodontic devices1 May 2025US 2025/0136867 A1Align Technology, Inc.
- Liquid crystal composition and bistable liquid crystal dimming device applying same26 Sep 2024US 2024/0318081 A1Smart Liquid Crystal Technology Co., Ltd.
- Polymerizable liquid crystal material and polymerized liquid crystal film26 Oct 2023US 2023/0340329 A1Merck Patent GmbH
- Liquid crystal mixture and liquid crystal display2 Mar 2023US 2023/0068853 A1Merck Patent GmbH
Most cited
By later US patents
- Photo cross-linkable liquid crystals51US 5,567,349 AHoffmann-La Roche Inc. · 1996
- Polymerizable liquid-crystalline compounds47US 6,136,225 ABASF SE · 2000
- Mesogenic materials with anomalous birefringence dispersion and high second order susceptibility (X.sup.(2)).47US 6,139,771 ADisplaytech, Inc. · 2000
- Liquid crystal compounds39US 6,746,729 B1Rolic AG · 2004
- Optical film and liquid crystal display using the same34US 6,503,581 B1Konica Corporation · 2003