C09B 1/585
Substituted by aryl radicals
Official title: {substituted by aryl radicals}
C09B1/585 (Substituted by aryl radicals) appears on 49 US grants and 19 published applications in this corpus.
Search patents in C09B- Granted patents
- 49
- Published applications
- 19
- Assignees
- 28
- Inventors
- 107
- Latest grant
- 3 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 2 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Anthraquinone compound, liquid crystal composition containing said compound, and dimming element3 Dec 2024US 12,157,852 B2Nippon Kayaku Kabushiki Kaisha
- Anthraquinone compound, liquid crystal composition for dimming including said compound, and dimming element20 Feb 2024US 11,905,417 B2Nippon Kayaku Kabushiki Kaisha
- Colorant mixtures9 Aug 2022US 11,407,912 B2Huntsman International LLC
- Polymerizable dichroic dyes20 Aug 2019US 10,385,215 B2Rolic AG
- AZO compound and ink containing the compound1 Dec 2015US 9,200,171 B2Mitsubishi Chemical Corporation
- Multimeric dye materials and devices using them5 Dec 2024US 2024/0400834 A1
- Anthraquinone compound, liquid crystal composition containing said compound, and dimming element9 May 2024US 2024/0150657 A1Nippon Kayaku Kabushiki Kaisha
- Anthraquinone Compound, Liquid Crystal Composition For Dimming Including Said Compound, And Dimming Element26 Oct 2023US 2023/0340268 A1Nippon Kayaku Kabushiki Kaisha
- Colorant Mixtures6 May 2021US 2021/0130631 A1Huntsman Advanced Materials (Switzerland) GmbH
- Polymerizable dichroic dyes2 Mar 2017US 2017/0058126 A1Rolic AG
Most cited
By later US patents
- Liquid crystals having pleochroic dyes41US 4,363,743 ASiemens Aktiengesellschaft · 1982
- Liquid crystal compositions including pleochroic dye33US 4,232,950 AMinnesota Mining and Manufacturing Company · 1980
- Liquid crystal compositions containing pleochroic dye24US 4,232,949 AMinnesota Mining and Manufacturing Company · 1980
- Method for preparing light-absorbing polymeric compositions23US 6,197,223 B1Eastman Chemical Company · 2001
- Organic dyes containing silane groups and process for preparing same16US 4,609,404 AMontedison S.p.A. · 1986