Process for dyeing or printing of fibre material from natural or synthetic polyamides with reactive disazo dyes
US4917705A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1988 |
| Grant date | Apr 17, 1990 |
| Priority date | — |
| Expiry date | Sep 21, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/924
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for dyeing or printing natural or synthetic polyamide fiber materials which comprises dyeing or printing these fiber materials with reactive dyes of the formula ##STR1## where each M is a cation, R.sub.1 and R.sub.2 are independently of each other hydrogen or C.sub.1 -alkyl, and X.sub.1 and X.sub.2 are independently of each other .alpha.,.beta.-dibromopropionyl, .alpha.-bromoacryloyl, chloroacetyl or a mono-, di- or trihalopyrimidinyl radical.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.