Patent · US Expired

Process for dyeing or printing of fibre material from natural or synthetic polyamides with reactive disazo dyes

US4917705A · kind A · utility

7Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 21, 1988
Grant dateApr 17, 1990
Priority date
Expiry dateSep 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.