C09B 33/30
Tetrazo dyes of the type [image cpc-sch-c09b-1014.gif]
Official title: Tetrazo dyes of the type [IMAGE cpc-sch-C09B-1014.gif]
C09B33/30 (Tetrazo dyes of the type [image cpc-sch-c09b-1014.gif]) appears on 3 US grants and 1 published applications in this corpus.
Search patents in C09B- Granted patents
- 3
- Published applications
- 1
- Assignees
- 3
- Inventors
- 7
- Latest grant
- 15 Aug 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 0 | 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 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Ink jet recording ink15 Aug 2017US 9,732,242 B2FUJIFILM Corporation
- Process for the preparation of polyazo dyes26 Feb 1991US 4,996,302 ACiba-Geigy Corporation
- Metal complexes of dis- or trisazo compounds containing a middle component twice substituted by hydroxy and/or amino7 Jan 1986US 4,563,520 ABASF SE
Most cited
By later US patents