C09B 29/0833
Characterised by the substituent on the benzene ring excepted the substituents: ch3
Official title: {characterised by the substituent on the benzene ring excepted the substituents: CH3, C2H5, O-alkyl, NHCO-alkyl, NHCOO-alkyl, NHCO- C6H5, NHCOO-C6H5}
C09B29/0833 (Characterised by the substituent on the benzene ring excepted the substituents: ch3) appears on 48 US grants and 9 published applications in this corpus.
Search patents in C09B- Granted patents
- 48
- Published applications
- 9
- Assignees
- 28
- Inventors
- 113
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- C09B 29/0836Linked through -n=18
- C09B 29/0847Substituted by halogen8
- C09B 29/0834Linked through -o-7
- C09B 29/0846Substituted by heterocyclic ring linked directly to the benzene ring6
- C09B 29/0844Substituted by alkyl3
- C09B 29/0835Linked through -s-2
- C09B 29/0842Linked through-c-, -cs-1
- C09B 29/0848Substituted by no21
All 9 subgroupsShow fewer
Recent patents
- Monoazo dichroic dye compound, polarizing plate composition comprising same, polarizing plate formed therefrom, and optical device comprising same26 Aug 2025US 12,398,326 B2LG Chem.Ltd.
- Dichroic azo-azomethine dyes for liquid crystal compositions22 Oct 2024US 12,122,919 B2BASF SE
- Composition, film, laminate, and display device7 May 2024US 11,976,233 B2Sumitomo Chemical Company, Limited
- Solution comprising a dye17 May 2022US 11,332,620 B2Nouryon Chemicals International B. V.
- Azo compound and black dye composition including the same5 Jan 2021US 10,882,995 B1National Chi Nan University
- Monoazo dichroic dye compound, polarizing plate composition comprising same, polarizing plate formed therefrom, and optical device comprising same9 Nov 2023US 2023/0357638 A1LG Chem.Ltd.
- Composition, film, laminate, and display device11 Aug 2022US 2022/0251451 A1Sumitomo Chemical Company, Limited
- Dichroic azo-azomethine dyes for liquid crystal compositions31 Mar 2022US 2022/0098412 A1BASF SE
- Solution comprising a dye21 Jan 2021US 2021/0017389 A1Nouryon Chemicals International B. V.
- Azo Compound and Black Dye Composition Including the Same7 Jan 2021US 2021/0002486 A1National Chi Nan University
Most cited
By later US patents
- Pigment compositions41US 4,310,359 AToyo Ink Manufacturing Co., Ltd. · 1982
- Azo dye compound, ink containing the same, and recording method and instrument using the ink18US 5,466,282 ACanon Kabushiki Kaisha · 1995
- Stable monoazo dyestuff11US 4,074,965 AHoechst Aktiengesellschaft · 1978
- Monoazo dyes which are free from water-solubilizing groups and which contain a fluorosulphonyl group and process for colouring polyamides and polyester materials therewith11US 5,739,299 AZeneca Limited · 1998
- Black colored dye mixture for use according to thermal dye sublimation transfer9US 5,476,746 AAgfa-Gevaert · 1995