Disazo dyes with a vinylsulfonyl type fiber-reactive radical substituted diazo component and a 2-sulfophenylene middle component carrying a fiber-reactive radical in the 5-position
US5565553A · kind A · utility
10Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1996 |
| Grant date | Oct 15, 1996 |
| Priority date | — |
| Expiry date | Jan 11, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/447
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Reactive dyes of the formula ##STR1## where A, K and Z are each as defined in the claims, are especially useful for dyeing or printing cellulosic fiber materials, producing dyeings and prints having good fastness properties in a high yield.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.