C09B 62/4409
Anthracene dyes
Official title: {Anthracene dyes}
C09B62/4409 (Anthracene dyes) appears on 24 US grants and 8 published applications in this corpus.
Search patents in C09B- Granted patents
- 24
- Published applications
- 8
- Assignees
- 9
- Inventors
- 42
- Latest grant
- 12 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 2 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- 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
- Fibre-reactive dyes, their preparation and their use24 Nov 2015US 9,193,870 B2Huntsman International LLC
- Fibre-reactive anthraquinone dyes, process for their preparation and the use thereof24 Mar 2009US 7,507,263 B2Huntsman International LLC
- Mono-, di-or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials23 Dec 2008US 7,468,081 B2DyStar Textilfarben GmbH & Co. Deutschland KG
- 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
- Fibre-Reactive Dyes, Their Preparation and Their Use9 Apr 2015US 2015/0096131 A1Huntsman International LLC
- Mono-, Di- or Trichromatic Dyeing or Printing of Natural or Synthetic Polyamide Fiber Materials30 Aug 2007US 2007/0199162 A1DyStar Textilfarben GmbH & Co. Deutschland KG
- Mono-, Di- or Trichromatic Dyeing or Printing of Natural or Synthetic Polyamide Fiber Materials30 Aug 2007US 2007/0199163 A1DyStar Textilfarben GmbH & Co. Deutschland KG
Most cited
By later US patents
- Anthraquinone compound having both monohalogenotriazinyl and vinylsulfone type fiber reactive groups7US 4,631,341 ASumitomo Chemical Company, Limited · 1986
- Process for dichromatic or trichromatic dyeing or printing7US 5,779,740 ACiba Specialty Chemicals Corporation · 1998
- Anthraquinone reactive dyestuffs6US 4,355,163 ABayer Aktiengesellschaft · 1982
- Anthraquinone reactive dyestuffs5US 4,325,705 ABayer Aktiengesellschaft · 1982
- Anthraquinone compounds5US 4,442,288 AHoechst Aktiengesellschaft · 1984