C09B 62/5033
Dioxazine dyes
Official title: {Dioxazine dyes}
C09B62/5033 (Dioxazine dyes) appears on 30 US grants and 2 published applications in this corpus.
Search patents in C09B- Granted patents
- 30
- Published applications
- 2
- Assignees
- 7
- Inventors
- 36
- Latest grant
- 15 Mar 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Reactive dyes, processes for their preparation and their use15 Mar 2011US 7,905,928 B2Huntsman International LLC
- Asymmetric dioxazine compounds and method for dyeing or printing fiber materials using the same24 Oct 2000US 6,136,970 ASumitomo Chemical Company, Limited
- Asymmetric dioxazine compounds and use thereof as fiber reactive dyes22 Jul 1997US 5,650,507 ASumitomo Chemical Company, Limited
- Fiber-reactive triphenodioxazine dyes2 Jul 1996US 5,532,362 AHoechst Celanese Corporation
- Dioxazine blue dye compound having vinylsulfone type fiber reactive groups23 Jan 1996US 5,486,607 ASumitomo Chemical Company, Limited
Most cited
By later US patents
- Triphendioxazine vinyl sulphone dyestuffs20US 4,577,015 ABayer Aktiengesellschaft · 1986
- Triphendioxazine reactive dyestuffs15US 4,629,788 ABayer Aktiengesellschaft · 1986
- Triphendioxazine dyestuffs9US 4,621,138 ABayer Aktiengesellschaft · 1986
- Fiber reactive dioxazine compound having four vinylsulfone type reactive groups9US 4,780,107 ASumitomo Chemical Company, Limited · 1988
- Water-soluble triphendioxazine compounds5US 4,786,728 AHoechst Aktiengesellschaft · 1988