C09K 19/0403
The structure containing one or more specific, optionally substituted ring or ring
Official title: {the structure containing one or more specific, optionally substituted ring or ring systems}
C09K19/0403 (The structure containing one or more specific, optionally substituted ring or ring) appears on 380 US grants and 364 published applications in this corpus.
Search patents in C09K- Granted patents
- 380
- Published applications
- 364
- Assignees
- 95
- Inventors
- 664
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 0 |
| 2002 | 4 | 6 |
| 2003 | 5 | 4 |
| 2004 | 7 | 8 |
| 2005 | 3 | 20 |
| 2006 | 13 | 17 |
| 2007 | 7 | 13 |
| 2008 | 11 | 16 |
| 2009 | 10 | 22 |
| 2010 | 30 | 29 |
| 2011 | 19 | 35 |
| 2012 | 20 | 23 |
| 2013 | 41 | 14 |
| 2014 | 16 | 9 |
| 2015 | 14 | 27 |
| 2016 | 15 | 21 |
| 2017 | 14 | 18 |
| 2018 | 11 | 22 |
| 2019 | 20 | 18 |
| 2020 | 13 | 6 |
| 2021 | 9 | 7 |
| 2022 | 8 | 12 |
| 2023 | 8 | 9 |
| 2024 | 9 | 6 |
| 2025 | 4 | 1 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polymerisable liquid crystal material and polymerised liquid crystal film21 Jul 2026US 12,686,820 B2Merck Patent GmbH
- Methods for controlling the phase of self-assembled ionic liquid crystal (ILC) structures2 Jun 2026US 12,644,051 B2Tokyo Electron Limited
- Liquid-crystalline medium12 May 2026US 12,624,289 B2Merck Patent GmbH
- Device for the regulation of light transmission5 May 2026US 12,619,110 B2Merck Patent GmbH
- Optically anisotropic layer, optical film, polarizing plate, and image display device28 Apr 2026US 12,612,553 B2FUJIFILM Corporation
- Polymerizable compound and use thereof2 Apr 2026US 2026/0092214 A1Beijing Bayi Space Lcd Technology Co., Ltd
- Methods for controlling the phase of self-assembled ionic liquid crystal (ilc) structures4 Dec 2025US 2025/0368898 A1Tokyo Electron Limited
- Liquid crystal medium25 Jul 2024US 2024/0247190 A1Merck Patent GmbH
- Polarizer and image display device18 Jul 2024US 2024/0241403 A1FUJIFILM Corporation
- Liquid-crystalline medium11 Jul 2024US 2024/0228877 A1Merck Patent GmbH
Most cited
By later US patents
- Liquid-crystal medium, and electro-optical display containing same35US 6,896,939 B2Merck Patent GmbH · 2005
- Liquid-crystalline medium34US 7,767,280 B2Merck Patent GmbH · 2010
- Display element and display device32US 7,342,632 B2Sharp Kabushiki Kaisha · 2008
- Liquid crystals with reduced toxicity and applications thereof27US 7,303,694 B2Wisconsin Alumni Research Foundation · 2007
- Chlorobenzene derivatives, liquid-crystal composition, and liquid-crystal display elements25US 6,329,027 B1Chisso Corporation · 2001