C09K 19/06
Non-steroidal liquid crystal compounds
C09K19/06 (Non-steroidal liquid crystal compounds) appears on 4,503 US grants and 3,408 published applications in this corpus.
Search patents in C09K- Granted patents
- 4,503
- Published applications
- 3,408
- Assignees
- 673
- Inventors
- 4,579
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 27 | 0 |
| 1978 | 22 | 0 |
| 1979 | 14 | 0 |
| 1980 | 23 | 0 |
| 1981 | 18 | 0 |
| 1982 | 28 | 0 |
| 1983 | 28 | 0 |
| 1984 | 37 | 0 |
| 1985 | 37 | 0 |
| 1986 | 60 | 0 |
| 1987 | 72 | 0 |
| 1988 | 62 | 0 |
| 1989 | 100 | 0 |
| 1990 | 80 | 0 |
| 1991 | 90 | 0 |
| 1992 | 111 | 0 |
| 1993 | 130 | 0 |
| 1994 | 126 | 0 |
| 1995 | 115 | 0 |
| 1996 | 79 | 0 |
| 1997 | 74 | 0 |
| 1998 | 111 | 0 |
| 1999 | 89 | 0 |
| 2000 | 85 | 0 |
| 2001 | 77 | 18 |
| 2002 | 68 | 67 |
| 2003 | 86 | 92 |
| 2004 | 86 | 106 |
| 2005 | 63 | 106 |
| 2006 | 88 | 101 |
| 2007 | 76 | 99 |
| 2008 | 86 | 125 |
| 2009 | 83 | 132 |
| 2010 | 142 | 168 |
| 2011 | 117 | 153 |
| 2012 | 117 | 137 |
| 2013 | 165 | 160 |
| 2014 | 106 | 159 |
| 2015 | 165 | 238 |
| 2016 | 172 | 248 |
| 2017 | 165 | 214 |
| 2018 | 148 | 227 |
| 2019 | 157 | 197 |
| 2020 | 145 | 151 |
| 2021 | 127 | 125 |
| 2022 | 112 | 83 |
| 2023 | 87 | 110 |
| 2024 | 85 | 66 |
| 2025 | 64 | 68 |
| 2026 | 66 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C09K 19/08Containing at least two non-condensed rings3,341
- C09K 19/34Containing at least one heterocyclic ring2,186
- C09K 19/32Containing condensed ring systems, i.e. fused, bridged or spiro ring systems1,016
- C09K 19/062Containing one non-condensed benzene ring92
- C09K 19/063Containing one non-condensed saturated non-aromatic ring21
- C09K 19/066Containing one heterocyclic ring having oxygen as heteroatom15
- C09K 19/061Linear compounds without any rings10
- C09K 19/068Containing one heterocyclic ring having sulfur as heteroatom7
Recent patents
- Liquid crystal medium and electronic component6 Oct 2026US 12,753,345 B2Merck Patent GmbH
- Liquid crystal scaffolds and use thereof for organoid, spheroid, and 3D cellaggregate manufacturing6 Oct 2026US 12,753,393 B2The Regents of the University of California
- Liquid crystal compounds29 Sep 2026US 12,747,392 B2Rolic Technologies AG
- Liquid crystal composition and display panel29 Sep 2026US 12,747,393 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- All-aromatic liquid-crystalline homo-polyimides with aromatic endgroups and crosslinked products therefrom15 Sep 2026US 12,734,747 B2The United States of America as represented by the Secretary of the Air Force
- Polymerizable liquid crystal composition8 Oct 2026US 2026/0308453 A1Rolic Technologies AG
- Method for producing cholesteric liquid crystal layer, cholesteric liquid crystal layer, liquid crystal composition, cured product, optically anisotropic body, and reflective layer1 Oct 2026US 2026/0299363 A1FUJIFILM Corporation
- Chiral reactive mesogen mixture24 Sep 2026US 2026/0286221 A1Merck Patent GmbH
- Chiral photosensitive molecular switch, cholesteric liquid crystal composition, display panel and preparation method thereof24 Sep 2026US 2026/0286222 A1Beijing Boe Optoelectronics Technology Co., Ltd.
- Nonlinear Optical Chromophores Having Tetrahydrocarbazole Donor Groups, Lyotropic Compositions Containing the Same, and Methods of Poling Such Compositions24 Sep 2026US 2026/0286223 A1Lightwave Logic, Inc.
Most cited
By later US patents
- Liquid crystal composition and liquid crystal display device182US 8,361,569 B2Jnc Corporation · 2013
- Process of preparing compositions having multiple oriented mesogens149US 5,073,294 AHercules Incorporated · 1991
- Hydrogenated naphthalenes137US 4,391,731 AHoffmann-La Roche Inc. · 1983
- Difluorobenzonitrile derivatives136US 5,211,878 AMerck Patent GmbH · 1993
- Smectic liquid crystals132US 4,613,209 AAT&T Bell Laboratories · 1986