Reactive dyes, process for their preparation and the use thereof
US4545785A · kind A · utility
2Cited by
2References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 10, 1984 |
| Grant date | Oct 8, 1985 |
| Priority date | — |
| Expiry date | Apr 10, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/918
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Reactive dyes of the formula ##STR1## wherein K is the radical of a naphtholsulfonic acid or N-acylated aminonaphtholsulfonic acid, n is 1 or 2 and the benzene ring A may contain further substituents, are suitable for dyeing or printing cellulosic fibre materials and afford dyeings or prints with good fastness properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.