C09B 45/01
Complex metal compounds of azo dyes: characterised by the method of metallisation
Official title: characterised by the method of metallisation
C09B45/01 (Complex metal compounds of azo dyes: characterised by the method of metallisation) appears on 21 US grants and 3 published applications in this corpus.
Search patents in C09B- Granted patents
- 21
- Published applications
- 3
- Assignees
- 13
- Inventors
- 47
- Latest grant
- 16 Jun 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for producing a charge control agent16 Jun 2015US 9,056,884 B2Hodogaya Chemical Co., Ltd.
- Monoazo metal complex compound containing composition and production method thereof11 Mar 2008US 7,342,062 B2Orient Chemical Industries, Ltd.
- Mixed aluminium-heavy metal dyestuff complexes and a process for their preparation16 Dec 1997US 5,698,683 AClariant Finance (BVI) Limited
- Preparation of 1:2 chromium complexes one sulfo substituted and one sulfonamido or the like substituted azo dyes20 Jul 1993US 5,229,502 ACiba-Geigy Corporation
- Process for the preparation of metal complex dyes11 May 1993US 5,209,832 ACiba-Geigy Corporation
- Process for producing a charge control agent19 Jun 2014US 2014/0171628 A1Hodogaya Chemical Co., Ltd.
- Monoazo metal complex compound containing composition and production method thereof20 May 2004US 2004/0097618 A1Orient Chemical Industries, Ltd.
- Monoazo metal complex compound containing composition and production method thereof10 Jan 2002US 2002/0004588 A1
Most cited
By later US patents
- Process for the manufacture of chromium complexes from metallizable azo or azo methine dyes9US 4,085,097 ACiba-Geigy Corporation · 1978
- Process for controlling and optimising industrial processes for the preparation of dyes, fluorescent whitening agents and their intermediates8US 5,153,140 ACiba-Geigy Corporation · 1992
- Process for the preparation of a dyestuff consisting substantially of only unsymmetrical 1:2-chromium complex azo dyestuffs7US 3,939,140 AHoechst Aktiengesellschaft · 1976
- Process for the neutralization of basic reaction compositions5US 4,318,848 ABayer Aktiengesellschaft · 1982
- Manufacture of concentrated solutions, having a low salt content, of cobalt and chromium 1:2 complex dyes which are free from sulfonic acid groups4US 4,180,502 ABASF SE · 1979