C09K 19/30
Containing saturated or unsaturated non-aromatic rings
Official title: containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
C09K19/30 (Containing saturated or unsaturated non-aromatic rings) appears on 2,213 US grants and 1,921 published applications in this corpus.
Search patents in C09K- Granted patents
- 2,213
- Published applications
- 1,921
- Assignees
- 301
- Inventors
- 2,229
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 8 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 14 | 0 |
| 1984 | 20 | 0 |
| 1985 | 26 | 0 |
| 1986 | 27 | 0 |
| 1987 | 37 | 0 |
| 1988 | 22 | 0 |
| 1989 | 38 | 0 |
| 1990 | 27 | 0 |
| 1991 | 34 | 0 |
| 1992 | 39 | 0 |
| 1993 | 49 | 0 |
| 1994 | 44 | 0 |
| 1995 | 42 | 0 |
| 1996 | 30 | 0 |
| 1997 | 26 | 0 |
| 1998 | 49 | 0 |
| 1999 | 40 | 0 |
| 2000 | 47 | 0 |
| 2001 | 39 | 7 |
| 2002 | 34 | 34 |
| 2003 | 40 | 37 |
| 2004 | 40 | 46 |
| 2005 | 30 | 35 |
| 2006 | 36 | 34 |
| 2007 | 25 | 39 |
| 2008 | 32 | 59 |
| 2009 | 36 | 57 |
| 2010 | 69 | 80 |
| 2011 | 57 | 86 |
| 2012 | 59 | 62 |
| 2013 | 80 | 86 |
| 2014 | 54 | 91 |
| 2015 | 92 | 158 |
| 2016 | 110 | 182 |
| 2017 | 106 | 156 |
| 2018 | 100 | 157 |
| 2019 | 115 | 143 |
| 2020 | 97 | 98 |
| 2021 | 88 | 66 |
| 2022 | 72 | 52 |
| 2023 | 47 | 57 |
| 2024 | 47 | 28 |
| 2025 | 32 | 42 |
| 2026 | 34 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid crystal composition and display panel29 Sep 2026US 12,747,393 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Liquid-crystalline medium4 Aug 2026US 12,698,444 B2Merck Patent GmbH
- Composition, polarizer layer, laminate, and image displaying device28 Jul 2026US 12,692,439 B2FUJIFILM Corporation
- Liquid crystal aligning agent, liquid crystal alignment film and liquid crystal display element28 Jul 2026US 12,692,440 B2Nissan Chemical Corporation
- Liquid crystal device14 Jul 2026US 12,680,024 B2Merck Patent GmbH
- Liquid crystal composition and use thereof17 Sep 2026US 2026/0275193 A1Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd.
- Compound, and Preparation Method and Use Thereof10 Sep 2026US 2026/0265606 A1Huawei Technologies Co., Ltd.
- Light control sheet and vehicle window27 Aug 2026US 2026/0250576 A1Toppan Holdings Inc.
- Liquid crystalline medium and compounds20 Aug 2026US 2026/0242665 A1Merck Patent GmbH
- Polymerizable liquid crystal formulations20 Aug 2026US 2026/0242666 A1Merck Patent GmbH
Most cited
By later US patents
- Liquid crystal composition and liquid crystal display device182US 8,361,569 B2Jnc Corporation · 2013
- Difluorobenzonitrile derivatives136US 5,211,878 AMerck Patent GmbH · 1993
- Liquid crystalline cyclohexane derivatives95US 4,130,502 AMerck Patent Gesellschaft mit · 1978
- Liquid crystalline cyclohexane derivatives95US 4,229,315 AMerck Patent GmbH · 1980
- Liquid crystalline compounds and mixtures thereof90US 4,596,667 AChisso Corporation · 1986