C09K 19/3098
Unsaturated non-aromatic rings
Official title: {Unsaturated non-aromatic rings, e.g. cyclohexene rings}
C09K19/3098 (Unsaturated non-aromatic rings) appears on 307 US grants and 355 published applications in this corpus.
Search patents in C09K- Granted patents
- 307
- Published applications
- 355
- Assignees
- 59
- Inventors
- 479
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 2 |
| 2003 | 4 | 3 |
| 2004 | 2 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 6 |
| 2009 | 1 | 4 |
| 2010 | 7 | 9 |
| 2011 | 4 | 10 |
| 2012 | 7 | 8 |
| 2013 | 9 | 13 |
| 2014 | 4 | 16 |
| 2015 | 12 | 19 |
| 2016 | 15 | 28 |
| 2017 | 15 | 29 |
| 2018 | 18 | 35 |
| 2019 | 24 | 29 |
| 2020 | 16 | 22 |
| 2021 | 19 | 23 |
| 2022 | 31 | 18 |
| 2023 | 13 | 30 |
| 2024 | 24 | 11 |
| 2025 | 9 | 24 |
| 2026 | 16 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid-crystalline medium4 Aug 2026US 12,698,444 B2Merck Patent GmbH
- Liquid crystalline medium and electro-optical device16 Jun 2026US 12,655,350 B2Merck Patent GmbH
- Liquid-crystalline medium12 May 2026US 12,624,289 B2Merck Patent GmbH
- Method for reducing white flicker12 May 2026US 12,624,290 B2Merck Patent GmbH
- Liquid-crystalline medium and liquid-crystal display comprising the same and compounds12 May 2026US 12,624,291 B2Merck Patent GmbH
- Liquid crystalline medium and compounds20 Aug 2026US 2026/0242665 A1Merck Patent GmbH
- Liquid-crystalline medium30 Jul 2026US 2026/0218049 A1Merck Patent GmbH
- Liquid-crystalline medium30 Jul 2026US 2026/0218050 A1Merck Patent GmbH
- Liquid crystal medium23 Jul 2026US 2026/0209603 A1Merck Patent GmbH
- Liquid crystal composition and liquid crystal display device16 Jul 2026US 2026/0201250 A1Jiangsu Hecheng Display Technology Co., Ltd.
Most cited
By later US patents
- Liquid-crystalline halogenobenzene derivatives64US 4,405,488 AChisso Corporation · 1983
- Polyhaloalkyl ether derivatives as well as liquid crystal compositions and liquid crystal display elements containing them44US 6,007,740 AChisso Corporation · 1999
- Liquid crystalline, partially hydrogenated oligo-1,4-phenylenes and dielectrics and electro-optical display elements containing them43US 4,331,552 AMerck Patent GmbH · 1982
- Liquid-crystalline medium34US 7,767,280 B2Merck Patent GmbH · 2010
- Liquid crystal benzene derivatives27US 4,422,951 AChisso Corporation · 1983