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Patent Searching and Data


Title:
USE OF REACTIVE DYES FOR DYEING HAIR
Document Type and Number:
WIPO Patent Application WO1999005222
Kind Code:
A3
Abstract:
The invention relates to the use of reactive dyes for dyeing hair. Said reactive dyes are of formula (I), wherein a represents 1 or 2, b represents 0 or 1, Y represents vinyl or a radical of formula C2H4Q, Q being a group which can be split off in alkaline reaction conditions, L<3> represents a direct bond or a binding link of formula CO-NH-M<1> which can be interrupted by 1 or 2 non-adjacent oxygen atoms, imino or C1-C4 alkylimino groups, M<1> being C2-C6 alkylene, A<1> represents hydroxysulfonyl or a radical of formula SO2Y, A<2> represents hydrogen, hydroxysulfonyl, methoxy, chlorine, bromine or carboxyl, W represents 1) the radical of a coupling constituent, of a monoazo dye or additionally, when b=0, of a disazo dye, which can carry other reactive groups, or 2) the radical of a chromophore which optionally has other reactive groups, and L<1> and L<2> each represent a binding link. The invention also represents a method for dyeing hair, and cosmetic preparations for dyeing hair.

Inventors:
PRECHTL FRANK (DE)
PATSCH MANFRED (DE)
HOESSEL PETER (DE)
Application Number:
PCT/EP1998/004104
Publication Date:
April 15, 1999
Filing Date:
July 03, 1998
Export Citation:
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Assignee:
BASF AG (DE)
PRECHTL FRANK (DE)
PATSCH MANFRED (DE)
HOESSEL PETER (DE)
International Classes:
A61K8/46; A61K8/00; A61K8/49; A61Q5/02; A61Q5/06; A61Q5/10; C09B62/00; C09B62/503; D06P3/30; (IPC1-7): A61K7/13
Foreign References:
EP0181585A21986-05-21
EP0798347A11997-10-01
EP0559617A21993-09-08
US4066638A1978-01-03
DE2154942A11973-05-10
EP0437006A11991-07-17
EP0433764A11991-06-26
EP0733680A21996-09-25
US4102641A1978-07-25
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