Reactive azo dyes
US5136028A · kind A · utility
3Cited by
2References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 9, 1990 |
| Grant date | Aug 4, 1992 |
| Priority date | — |
| Expiry date | Nov 9, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/085
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Novel reactive dyes of formula ##STR1## wherein Z is a radical of formula ##STR2## and R.sub.1, R.sub.2, R.sub.3, (R.sub.4).sub.2-3, (R.sub.5).sub.1-3, R.sub.7 and (R.sub.8).sub.1-3 are as defined in claim 1, give intense red dyeings and prints of good fastness properties on cellulosic fibres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.