C09B 1/547
Anthraquinones with aromatic ether groups
Official title: {Anthraquinones with aromatic ether groups}
C09B1/547 (Anthraquinones with aromatic ether groups) appears on 36 US grants and 9 published applications in this corpus.
Search patents in C09B- Granted patents
- 36
- Published applications
- 9
- Assignees
- 22
- Inventors
- 83
- Latest grant
- 12 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Anthraquinone compound-containing liquid crystal composition for controlling light, photocured product thereof, and light-controlling element12 Nov 2024US 12,139,656 B2Nippon Kayaku Kabushiki Kaisha
- Ink set and thermal transfer recording sheet11 Jul 2017US 9,701,146 B2Canon Kabushiki Kaisha
- Disperse dye composition and dyeing method for hydrophobic fiber material using same13 Oct 2015US 9,156,988 B2Nippon Kayaku Kabushiki Kaisha
- Azomethine compound and thermal transfer sheet using coloring matter of the azomethine compound14 May 2013US 8,440,589 B2Dai Nippon Printing Co.Ltd.
- Light-emitting device, condensed polycyclic compound used therein and method for producing same24 Feb 2009US 7,494,721 B2Nippon Kayaku Kabushiki Kaisha
- Anthraquinone Compound-Containing Liquid Crystal Composition For Controlling Light, Photocured Product Thereof, And Light-Controlling Element8 Feb 2024US 2024/0043749 A1Nippon Kayaku Kabushiki Kaisha
- Colored dispersion, recording medium, and hydrophobic fiber printing method30 Jun 2022US 2022/0204786 A1Nippon Kayaku Kabushiki Kaisha
- Sublimation thermal transfer sheet and combination of sublimation thermal transfer sheet and transfer receiving article11 Apr 2019US 2019/0105934 A1Dai Nippon Printing Co.Ltd.
- Ink set and thermal transfer recording sheet20 Oct 2016US 2016/0303882 A1Canon Kabushiki Kaisha
- Disperse Dye Composition And Dyeing Method For Hydrophobic Fiber Material Using Same27 Mar 2014US 2014/0082860 A1Nippon Kayaku Kabushiki Kaisha
Most cited
By later US patents
- Organic dyes containing silane groups and process for preparing same16US 4,609,404 AMontedison S.p.A. · 1986
- Composition based on liquid crystal for electro-optical device11US 4,428,858 AEbauches S.A. · 1984
- 1-Nitroarylamino-5 or 8-phenoxy or phenylmercapto anthraquinone7US 4,126,626 ACiba-Geigy Corporation · 1978
- Liquid crystal display device6US 4,505,549 ANippon Electric Co., Ltd. · 1985
- Anthraquinone dyestuffs5US 3,956,324 ACiba-Geigy Corporation · 1976