C09B 31/043
Amino-benzenes
C09B31/043 (Amino-benzenes) appears on 108 US grants and 52 published applications in this corpus.
Search patents in C09B- Granted patents
- 108
- Published applications
- 52
- Assignees
- 54
- Inventors
- 221
- Latest grant
- 22 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 3 |
| 2008 | 2 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 5 |
| 2012 | 1 | 1 |
| 2013 | 3 | 2 |
| 2014 | 2 | 7 |
| 2015 | 8 | 8 |
| 2016 | 2 | 4 |
| 2017 | 2 | 3 |
| 2018 | 5 | 5 |
| 2019 | 4 | 0 |
| 2020 | 5 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 3 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dichroic azo-azomethine dyes for liquid crystal compositions22 Oct 2024US 12,122,919 B2BASF SE
- Anisotropic light absorption film and laminate10 Sep 2024US 12,085,742 B2FUJIFILM Corporation
- Compound, composition for anisotropic dye films including the compound, anisotropic dye film, and optical element30 Jul 2024US 12,049,583 B2Mitsubishi Chemical Corporation
- Dichroic dye compound, polarizing film, and uses thereof30 Mar 2021US 10,961,456 B2Sumitomo Chemical Company, Limited
- Coloring composition, light absorption anisotropic film, laminate, and image display device18 Aug 2020US 10,745,507 B2FUJIFILM Corporation
- Synergists for Dimeric Pigments30 Jul 2026US 2026/0217982 A1Cabot Corporation
- Substituted diazenylanilines as fluorescence quencher and use thereof27 Feb 2025US 2025/0066866 A1Council of Scientific and Industrial Research An Indian Registered Body Incoporated Under the Regn.
- Light absorption anisotropic layer, laminate, and infrared light sensor system2 May 2024US 2024/0142682 A1FUJIFILM Corporation
- Compound, composition for anisotropic dye films including the compound, anisotropic dye film, and optical element18 May 2023US 2023/0151275 A1Mitsubishi Chemical Corporation
- Dichroic azo-azomethine dyes for liquid crystal compositions31 Mar 2022US 2022/0098412 A1BASF SE
Most cited
By later US patents
- azo compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the AZO compound52US 8,628,899 B2Canon Kabushiki Kaisha · 2014
- Dark quenchers for donor-acceptor energy transfer34US 7,019,129 B1Biosearch Technologies, Inc. · 2006
- Nonlinear optical media of organosilicon crosslinked polymer33US 5,714,304 AHercules Incorporated · 1998
- Liquid crystal coupled dichroic dyes24US 5,389,285 AHercules Incorporated · 1995
- Aromatic disazo dyes and liquid-crystalline materials containing these dyes23US 4,667,020 ABASF SE · 1987