Title:
FIBRE REACTIVE BISAZO REACTIVE COLORANTS, MIXTURES OF REACTIVE COLORANTS, PRODUCTION AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2013/018057
Kind Code:
A3
Abstract:
Bisazo dyes based on derivatives of N-substituted 2-amino-5-naphthol-7-sulfonic acid of formula (1) wherein R is a radical of the formula -W-Q wherein W is C1-C6 Alkylene, which can be substituted by hydroxyl group, D1 and D2 are independently of each other a benzene or naphthyl radical, which are 10 substituted by fibre reactive groups, containing at least one fibre reactive group in both D1 and D2, wherein the fibre reactive groups are independent from each other of the vinylsulfone type, of a heterocyclic type, in particular of the halogenpyrimidinyl or halogentriazinyl reactive group, or of the acrylamide type which is substituted by halogen, which can be applied as single dye or as mixture or in combination with other compatible 1 dyestuffs for dyeing a wide variety of fibre materials selected from, cellulose, polyamide or protein fibres and yield dyeings having good allround properties such as excellent washing fatness, low contact staining.
Inventors:
DESAI PANKAJ (IN)
SCHUMACHER CHRISTIAN (DE)
VASHI ASHIT (IN)
DESAI NIKHIL (IN)
PATEL JAY (IN)
SCHUMACHER CHRISTIAN (DE)
VASHI ASHIT (IN)
DESAI NIKHIL (IN)
PATEL JAY (IN)
Application Number:
PCT/IB2012/053966
Publication Date:
May 02, 2013
Filing Date:
August 02, 2012
Export Citation:
Assignee:
COLOURTEX IND LTD (IN)
DESAI PANKAJ (IN)
SCHUMACHER CHRISTIAN (DE)
VASHI ASHIT (IN)
DESAI NIKHIL (IN)
PATEL JAY (IN)
DESAI PANKAJ (IN)
SCHUMACHER CHRISTIAN (DE)
VASHI ASHIT (IN)
DESAI NIKHIL (IN)
PATEL JAY (IN)
International Classes:
C09B62/44; C09B62/513; C09B67/00; D06P1/384; D06P3/66
Domestic Patent References:
| WO2005090484A1 | 2005-09-29 |
Foreign References:
| CN1730565A | 2006-02-08 | |||
| EP1930379A2 | 2008-06-11 | |||
| JPH0860017A | 1996-03-05 |
Attorney, Agent or Firm:
MAJUMDAR, Subhatosh et al. (5 Harish Mukherjee Road, Kolkata 5, IN)
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