C09B 33/26
Tetrazo dyes of the type a->b->c->k<-d
Official title: Tetrazo dyes of the type A->B->C->K<-D
C09B33/26 (Tetrazo dyes of the type a->b->c->k<-d) appears on 6 US grants and 4 published applications in this corpus.
Search patents in C09B- Granted patents
- 6
- Published applications
- 4
- Assignees
- 7
- Inventors
- 16
- Latest grant
- 16 Sep 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Ink composition, ink for inkjet recording and inkjet recording method16 Sep 2014US 8,834,619 B2FUJIFILM Corporation
- Ink set, ink cartridge, inkjet recording method, and recorded matter22 Jun 2010US 7,740,695 B2Seiko Epson Corporation
- Azo compound, ink composition and colored article17 Mar 2009US 7,503,967 B2Nippon Kayaku Kabushiki Kaisha
- Azo compound and salt thereof4 Dec 2007US 7,304,147 B2Nippon Kayaku Kabushiki Kaisha
- Polyazo compound or salt thereof and dye-based polarization film containing the same4 Jun 2002US 6,399,752 B1Sumitomo Chemical Company, Limited
- Ink composition, ink for inkjet recording and inkjet recording method16 Jan 2014US 2014/0013997 A1FUJIFILM Corporation
- Ink set, ink cartridge, inkjet recording method, and recorded matter1 Jan 2009US 2009/0000511 A1Seiko Epson Corporation
- Azo Compound, Ink Composition and Colored Article14 Aug 2008US 2008/0193660 A1Nippon Kayaku Kabushiki Kaisha
- Azo compound and salt thereof12 Apr 2007US 2007/0079740 A1Nippon Kayaku Kabushiki Kaisha
Most cited
By later US patents
- Polyazo compound or salt thereof and dye-based polarization film containing the same17US 6,399,752 B1Sumitomo Chemical Company, Limited · 2002
- Azo compound and salt thereof12US 7,304,147 B2Nippon Kayaku Kabushiki Kaisha · 2007
- Azo compound, ink composition and colored article9US 7,503,967 B2Nippon Kayaku Kabushiki Kaisha · 2009
- Ink set, ink cartridge, inkjet recording method, and recorded matter9US 7,740,695 B2Seiko Epson Corporation · 2010
- Water-soluble tetrakisazo dyestuffs derived from 4,4'-diaminoazobenzene2US 4,169,831 AProduits Chimiques Ugine Kuhlmann · 1979