Title:
FIBRE REACTIVE AZO REACTIVE COLORANTS CONTAINING TWO REACTIVE GROUPS OF THE VINYLSULFONE TYPE, PRODUCTION AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2013/018071
Kind Code:
A9
Abstract:
Water soluble dyestuffs having two vinylsulfone reactive groups in the form of free acid of the formula (1) and salts thereof (1) wherein X is –NHCN, –NHR, -N (CH 3 ) R, -O- R, or –S- R or X is a heterocyclic radical of the formula wherein W has one of the meanings of R, wherein R is selected from C1-C6-Alkyl, which is substituted by at least one sulfo, sulfato, phosphate, thiosulfato or carboxy substituent, and optionally by further substituents such as hydroxy; R a is Hydrogen or C1-C4-alkyl, which is non-substituted or may be substituted; R b has one of the meanings of R a, K is a radical of the benzene or naphthalene series which is substituted by amino, hydroxy, Acylamino, Ureido, C1-C3 alkoxy, C1-C3 alkyl, halogen, nitro or carboxy groups and is optionally further substituted by 1 or 2 Sulfo groups; K 2 has one of the meanings of K, D is a benzene or naphthalene radical which is non-substituted or substituted by one 20 or more substituents selected from sulfo, C1-C4 alkyl, C1-C4 alkoxy or halogen, D2 has one of the meanings of D1, Y is Vinyl or CH2CH2-L in which L is a leaving group, which can be applied as single dye or as mixture for dyeing a wide variety of fibre materials selected from, cellulose, polyamide or protein fibres to achieve very deep 2 shades with better fastness to washing, and contact fastness to water, acid and alkaline perspiration.
Inventors:
DESAI PANKAJ (IN)
SCHUMACHER CHRISTIAN (DE)
VASHI ASHIT (IN)
PATEL JAY (IN)
SCHUMACHER CHRISTIAN (DE)
VASHI ASHIT (IN)
PATEL JAY (IN)
Application Number:
PCT/IB2012/053986
Publication Date:
September 06, 2013
Filing Date:
August 03, 2012
Export Citation:
Assignee:
COLOURTEX IND LTD (IN)
DESAI PANKAJ (IN)
SCHUMACHER CHRISTIAN (DE)
VASHI ASHIT (IN)
PATEL JAY (IN)
DESAI PANKAJ (IN)
SCHUMACHER CHRISTIAN (DE)
VASHI ASHIT (IN)
PATEL JAY (IN)
International Classes:
C09B62/513; C07D251/12; C09B43/16
Attorney, Agent or Firm:
MAJUMDAR, Subhatosh et al. (5 Harish Mukherjee Road, Kolkata 5, IN)
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