C09K 19/08
Containing at least two non-condensed rings
Official title: containing at least two non-condensed rings
C09K19/08 (Containing at least two non-condensed rings) appears on 3,341 US grants and 2,663 published applications in this corpus.
Search patents in C09K- Granted patents
- 3,341
- Published applications
- 2,663
- Assignees
- 529
- Inventors
- 3,534
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 25 | 0 |
| 1978 | 20 | 0 |
| 1979 | 14 | 0 |
| 1980 | 21 | 0 |
| 1981 | 14 | 0 |
| 1982 | 10 | 0 |
| 1983 | 18 | 0 |
| 1984 | 24 | 0 |
| 1985 | 29 | 0 |
| 1986 | 41 | 0 |
| 1987 | 52 | 0 |
| 1988 | 38 | 0 |
| 1989 | 68 | 0 |
| 1990 | 51 | 0 |
| 1991 | 67 | 0 |
| 1992 | 77 | 0 |
| 1993 | 93 | 0 |
| 1994 | 81 | 0 |
| 1995 | 72 | 0 |
| 1996 | 46 | 0 |
| 1997 | 47 | 0 |
| 1998 | 72 | 0 |
| 1999 | 63 | 0 |
| 2000 | 63 | 0 |
| 2001 | 58 | 13 |
| 2002 | 48 | 51 |
| 2003 | 61 | 54 |
| 2004 | 60 | 70 |
| 2005 | 38 | 55 |
| 2006 | 63 | 66 |
| 2007 | 37 | 59 |
| 2008 | 49 | 83 |
| 2009 | 57 | 91 |
| 2010 | 97 | 127 |
| 2011 | 85 | 121 |
| 2012 | 88 | 105 |
| 2013 | 129 | 129 |
| 2014 | 80 | 136 |
| 2015 | 139 | 213 |
| 2016 | 146 | 225 |
| 2017 | 147 | 180 |
| 2018 | 129 | 196 |
| 2019 | 141 | 175 |
| 2020 | 120 | 126 |
| 2021 | 104 | 95 |
| 2022 | 96 | 60 |
| 2023 | 71 | 86 |
| 2024 | 64 | 49 |
| 2025 | 52 | 54 |
| 2026 | 47 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid crystal medium and electronic component6 Oct 2026US 12,753,345 B2Merck Patent GmbH
- 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.
- 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
- Chiral reactive mesogen mixture24 Sep 2026US 2026/0286221 A1Merck 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.
- Composite10 Sep 2026US 2026/0265608 A1University of Leeds
- Light control sheet and vehicle window27 Aug 2026US 2026/0250576 A1Toppan Holdings 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
- Difluorobenzonitrile derivatives136US 5,211,878 AMerck Patent GmbH · 1993
- Smectic liquid crystals132US 4,613,209 AAT&T Bell Laboratories · 1986
- Liquid crystal materials and devices130US 3,947,375 ASecretary of State for Defence in Her Britannic Majesty's Govt. of U.K. of Gt. Britain and Northern Ireland · 1976