C09K 2019/325
Containing a tetrahydronaphthalene
Official title: {containing a tetrahydronaphthalene, e.g. -2,6-diyl (tetralin)}
C09K2019/325 (Containing a tetrahydronaphthalene) appears on 67 US grants and 33 published applications in this corpus.
Search patents in C09K- Granted patents
- 67
- Published applications
- 33
- Assignees
- 23
- Inventors
- 157
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 3 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 3 | 0 |
| 2008 | 2 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 5 |
| 2016 | 4 | 5 |
| 2017 | 2 | 2 |
| 2018 | 3 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- 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
- Anthraquinone Compound-Containing Liquid Crystal Composition For Controlling Light, Photocured Product Thereof, And Light-Controlling Element15 Feb 2024US 2024/0052243 A1Nippon Kayaku Kabushiki Kaisha
- Liquid composition, production method for liquid composition, production method for liquid crystal polyester film, and production method for laminate28 Sep 2023US 2023/0303927 A1Sumitomo Chemical Company, Limited
- Liquid crystal composition, liquid crystal element, sensor, liquid crystal lens, optical communication device, and antenna13 Apr 2023US 2023/0112953 A1DIC Corporation
- Liquid crystal mixture and liquid crystal display1 Dec 2022US 2022/0380673 A1Merck Patent GmbH
Most cited
By later US patents
- Smectic liquid crystals132US 4,613,209 AAT&T Bell Laboratories · 1986
- Ferroelectric liquid crystal compounds having perfluoroether terminal portions56US 5,262,082 AMinnesota Mining and Manufacturing Company · 1993
- Antiferroelectric liquid crystal composite material, process for preparing the same, and liquid crystal element using the same41US 5,389,287 AMitsui Petrochemical Industries, Ltd. · 1995
- Acetylenes37US 4,528,114 AHoffmann-La Roche Inc. · 1985
- Halogenated ester derivatives35US 4,340,498 AChisso Corporation · 1982