C09B 62/008
Monoazo dyes
C09B62/008 (Monoazo dyes) appears on 28 US grants and 12 published applications in this corpus.
Search patents in C09B- Granted patents
- 28
- Published applications
- 12
- Assignees
- 17
- Inventors
- 56
- Latest grant
- 5 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 3 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- C09B 62/0088With heterocyclic compound as coupling component9
- C09B 62/0081With coupling components containing an amino directing group7
- C09B 62/0083With coupling components containing a hydroxyl directing group4
- C09B 62/0085With coupling components containing both hydroxyl and amino groups as directing groups4
- C09B 62/0086With coupling component containing a reactive methylene group4
Recent patents
- Methods for obtaining colored or chromic substrates5 Mar 2024US 11,920,292 B2Universiteit Gent
- Methods for obtaining colored or chromic substrates5 Apr 2022US 11,293,138 B2Universiteit Gent
- Chromophores for photochromic compositions useful for three dimensional display applications25 Aug 2020US 10,752,780 B2Nitto Denko Corporation
- Particles for electrophoretic displays8 Oct 2019US 10,435,566 B2Merck Patent GmbH
- Chromophores for photochromic compositions useful for three dimensional display applications18 Sep 2018US 10,077,362 B2Nitto Denko Corporation
- Methods for obtaining colored or chromic substrates18 Aug 2022US 2022/0259799 A1Universiteit Gent
- Laundry detergent31 Mar 2022US 2022/0098520 A1Conopco, Inc., d/b/a UNILEVER
- Laundry detergent31 Mar 2022US 2022/0098525 A1Conopco, Inc., d/b/a UNILEVER
- Methods for obtaining colored or chromic substrates31 Jan 2019US 2019/0032277 A1Universiteit Gent
- Chromophores for photochromic compositions useful for three dimensional display applications11 Oct 2018US 2018/0291207 A1Nitto Denko Corporation
Most cited
By later US patents
- Wetting and anti-foaming agents, and process for removing foam from aqueous systems25US 4,071,468 ACiba-Geigy Corporation · 1978
- Process for removing foam from aqueous systems and composition useful therein20US 4,092,266 ACiba-Geigy Corporation · 1978
- 3-Nitro-5-azopyridine dyestuffs17US 4,068,085 ACiba-Geigy Corporation · 1978
- Reactive dyestuffs containing the residue of 1-hydroxy-7-amino-8-(5'-amino-2',4'-disulphophenylazo)naphthalene-3,6-di sulphonic acid17US 4,191,687 AImperial Chemical Industries PLC · 1980
- 3-Sulfoalkyl-6-hydroxy-pyrid-(2)-one-containing azo dyestuffs13US 4,039,523 ACiba-Geigy Corporation · 1977