C09B 62/4401
With two or more reactive groups at least one of them being
Official title: {with two or more reactive groups at least one of them being directly attached to a heterocyclic system and at least one of them being directly attached to a non-heterocyclic system}
C09B62/4401 (With two or more reactive groups at least one of them being) appears on 436 US grants and 89 published applications in this corpus.
Search patents in C09B- Granted patents
- 436
- Published applications
- 89
- Assignees
- 50
- Inventors
- 347
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 10 | 0 |
| 1987 | 15 | 0 |
| 1988 | 16 | 0 |
| 1989 | 22 | 0 |
| 1990 | 24 | 0 |
| 1991 | 20 | 0 |
| 1992 | 21 | 0 |
| 1993 | 22 | 0 |
| 1994 | 22 | 0 |
| 1995 | 35 | 0 |
| 1996 | 32 | 0 |
| 1997 | 22 | 0 |
| 1998 | 28 | 0 |
| 1999 | 20 | 0 |
| 2000 | 11 | 0 |
| 2001 | 11 | 2 |
| 2002 | 11 | 5 |
| 2003 | 10 | 11 |
| 2004 | 5 | 14 |
| 2005 | 9 | 9 |
| 2006 | 10 | 7 |
| 2007 | 3 | 5 |
| 2008 | 5 | 11 |
| 2009 | 5 | 1 |
| 2010 | 2 | 5 |
| 2011 | 4 | 3 |
| 2012 | 0 | 5 |
| 2013 | 4 | 0 |
| 2014 | 1 | 2 |
| 2015 | 3 | 3 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 4 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- C09B 62/4403The heterocyclic system being a triazine ring345
- C09B 62/4424Azo dyes18
- C09B 62/4422The heterocyclic system being a pyrimidine ring15
- C09B 62/442The heterocyclic system being a pyridazine ring3
- C09B 62/4426The heterocyclic system being a pyrazine2
- C09B 62/4428The heterocyclic system being a five membered ring0
Recent patents
- Mixture of reactive dyes and their use for the dyeing or printing of textile fibre materials21 Oct 2025US 12,448,519 B2Archroma (Switzerland) GmbH
- Reactive leuco compounds and compositions comprising the same12 Apr 2022US 11,299,634 B2Milliken & Company
- Leuco polymers as bluing agents in laundry care compositions16 Feb 2021US 10,920,083 B2Milliken & Company
- Fluorescent reactive dyes, process for the production thereof and their use12 Mar 2019US 10,227,491 B2DyStar Coulors Distribution GmbH
- Method for continuously preparing water-soluble azo dye by coupling a nebulizer with a pipeline19 Jul 2016US 9,394,445 B2Dalian University of Technology
- Mixture Of Reactive Dyes And Their Use For The Dyeing Or Printing Of Textile Fibre Materials1 Jun 2023US 2023/0167304 A1Archroma (Switzerland) GmbH
- Fluorogenic dyes for high sensitivity DNA detection20 Aug 2020US 2020/0263231 A1Life Technologies Corporation
- Fluorecent reactive dyes, process for the production thereof and their use12 Jul 2018US 2018/0194943 A1DyStar Colours Distribution GmbH
- Reactive leuco compounds and compositions comprising the same3 May 2018US 2018/0118942 A1Milliken & Company
- Leuco polymers as bluing agents in laundry care compositions3 May 2018US 2018/0118948 A1Milliken & Company
Most cited
By later US patents
- Fiber-reactive dyes comprising a halopyrimidine for which a vinylsulfonyl or the like moiety is attached via a bridge member35US 4,968,781 ACiba-Geigy Corporation · 1990
- Water-soluble dyestuffs containing fibre-reactive groups of the vinylsulfone series and the fluoro-s-triazinyl-amino series34US 4,649,193 AHoechst Aktiengesellschaft · 1987
- Reactive dyes for inkjet printing32US 5,542,972 AHoechst Aktiengesellschaft · 1996
- Reactive dyestuffs comprising a triazine moiety and a vinylsulfonyl moiety both being linked by a substituted alkylene bridge member31US 4,754,023 ACiba-Geigy Corporation · 1988
- Fiber-reactive dyes containing a vinylsulfonylalkylamino- or sulfonyl-arylaminotriazine moiety27US 4,786,721 ACiba-Geigy Corporation · 1988