C09B 1/467
Attached to two or more anthraquinone rings
Official title: attached to two or more anthraquinone rings
C09B1/467 (Attached to two or more anthraquinone rings) appears on 10 US grants and 2 published applications in this corpus.
Search patents in C09B- Granted patents
- 10
- Published applications
- 2
- Assignees
- 8
- Inventors
- 19
- Latest grant
- 16 Mar 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Vat dye mixtures, processes for their preparation and their use for dyeing cellulosic fibre materials16 Mar 1999US 5,882,359 ACiba Specialty Chemicals Corporation
- Preparation of triazinyl-bis-anthraquinone dyes by reacting aryldihalotriazine with amino anthraquinone11 May 1993US 5,210,190 ABASF SE
- Vattable 2-aryl-4,6-diaminopyrimidines4 Jul 1989US 4,845,220 A
- Organic dyes containing silane groups and process for preparing same2 Sep 1986US 4,609,404 AMontedison S.p.A.
- Vat dyestuffs of the trisanthraquinonylaminotriazine series8 Jan 1985US 4,492,790 ABayer Aktiengesellschaft
Most cited
By later US patents
- Organic dyes containing silane groups and process for preparing same16US 4,609,404 AMontedison S.p.A. · 1986
- Triazinyl vat dyestuffs4US 3,935,208 A1976
- Triazinyl dyes3US 3,972,881 ACiba-Geigy Corporation · 1976
- Process for the preparation of vat dyes2US 4,329,456 ACiba-Geigy Corporation · 1982
- Process for the manufacture of vat dyes1US 4,284,770 ACiba-Geigy Corporation · 1981