C09K 19/321
Compounds containing a bicyclo [2,2,2] octane ring
Official title: {Compounds containing a bicyclo [2,2,2] octane ring}
C09K19/321 (Compounds containing a bicyclo [2,2,2] octane ring) appears on 86 US grants and 33 published applications in this corpus.
Search patents in C09K- Granted patents
- 86
- Published applications
- 33
- Assignees
- 28
- Inventors
- 173
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 3 | 3 |
| 2007 | 1 | 0 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 1 | 3 |
| 2014 | 0 | 3 |
| 2015 | 3 | 3 |
| 2016 | 4 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 5 |
| 2019 | 1 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Compound, liquid crystal composition, as well as liquid crystal display element, sensor, liquid crystal lens, optical communication equipment, and antenna each using the same2 Dec 2025US 12,486,457 B2DIC Corporation
- High frequency film transmission line, antenna including the same and antenna-integrated image display device26 Apr 2022US 11,316,238 B2Dongwoo Fine-Chem Co., Ltd.
- Liquid crystal medium containing polymerisable compounds19 Jan 2021US 10,894,918 B2Merck Patent GmbH
- Liquid-crystalline mixtures28 Jul 2020US 10,723,950 B2Merck Patent GmbH
- Liquid crystal medium containing polymerisable compounds17 Mar 2020US 10,590,344 B2Merck Patent GmbH
- Compound, liquid crystal composition, as well as liquid crystal display element, sensor, liquid crystal lens, optical communication equipment, and antenna each using the same11 Jul 2024US 2024/0228878 A1DIC Corporation
- Crystal defects mitigating agents for high power conversion efficiency and stability of perovskyte photovoltaic devices25 Feb 2021US 2021/0054288 A1
- High frequency film transmission line, antenna including the same and antenna-integrated image display device5 Mar 2020US 2020/0076035 A1Dongwoo Fine-Chem Co., Ltd.
- Liquid-crystalline medium31 Jan 2019US 2019/0031957 A1Merck Patent GmbH
- Liquid-crystalline mixtures17 Jan 2019US 2019/0016955 A1Merck Patent GmbH
Most cited
By later US patents
- Cyclohexane derivatives76US 4,510,069 AMerck Patent GmbH · 1985
- Polyhalogenoaromatic compounds for liquid crystal compositions73US 4,551,264 AMerck Patent GmbH · 1985
- Colorless liquid crystalline compounds61US 4,564,694 AHitachi, Ltd. · 1986
- Liquid crystal display element55US 4,398,803 AMerck Patent GmbH · 1983
- Ethane derivatives53US 4,659,502 AMerck Patent GmbH · 1987