C09B 62/0068
Dyes containing in the molecule at least one azo group and at
Official title: {dyes containing in the molecule at least one azo group and at least one other chromophore group}
C09B62/0068 (Dyes containing in the molecule at least one azo group and at) appears on 8 US grants and 0 published applications in this corpus.
Search patents in C09B- Granted patents
- 8
- Published applications
- 0
- Assignees
- 5
- Inventors
- 14
- Latest grant
- 13 Feb 1990
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sulfo group-containing metal phlhalocyanine azo compound having a 6-hydroxypyrid-2-one coupling component radicals having a fiber-reactive group13 Feb 1990US 4,900,812 ASandoz Ltd.
- Fibre-reactive chromium complex Azo-azomethine dyes1 Oct 1985US 4,544,739 ACiba-Geigy Corporation
- Fiber-reactive unsymmetrical 1:2 chromium complex azo dyes22 Nov 1983US 4,416,815 ACiba-Geigy Corporation
- 1-Amino-2-sulfo-(4'-pyrazolonyl-phenyl)-aminoanthraquinone compounds and a process for their preparation19 Jul 1983US 4,394,310 AHoechst Aktiengesellschaft
- Process for preparing fiber-reactive phthalocyanine azo dyes4 Mar 1980US 4,191,686 ACassella Aktiengesellschaft
No published applications in this class yet.
Most cited
By later US patents
- 3-Halogeno-6-hydroxy-pyridone-(2) azo dyestuffs7US 4,017,477 ACiba-Geigy Corporation · 1977
- Sulfo group-containing metal phlhalocyanine azo compound having a 6-hydroxypyrid-2-one coupling component radicals having a fiber-reactive group6US 4,900,812 ASandoz Ltd. · 1990
- 4-Methyl-2,6-dihydroxy-3-cyanopyridine containing dyestuffs4US 3,956,263 ACiba-Geigy Corporation · 1976
- Water-soluble, fiber-reactive phenylazodihydroxy, methyl, cyanopyridine dyestuffs4US 4,001,205 ACiba-Geigy Corporation · 1977
- 1-Amino-2-sulfo-(4'-pyrazolonyl-phenyl)-aminoanthraquinone compounds and a process for their preparation2US 4,394,310 AHoechst Aktiengesellschaft · 1983