HAIR COLOURING COMPOSITIONS AND THEIR USE

Title:

HAIR COLOURING COMPOSITIONS AND THEIR USE

Document Type and Number:

WIPO Patent Application WO2002080870

Kind Code:

A3

Abstract:

The invention provides a hair colouring composition comprising one or more developers selected from amino aromatic systems capable of being oxidised and thereafter undergoing at least two electrophilic attack reactions, and one or more couplers selected from (a) 1,3-diketones of the formula (I): in which X and Y are non-leaving substituents and Z is an active leaving group, such that in the presence of an oxidising agent the or each developer reacts with the or each coupler substantially only at the position having the active leaving group Z and (b) compounds of the formula (II): in which R1, R2 and R3 are, independently, cycloalkyl, alkenyl, cycloalkenyl, aryl, alkaryl, aralkyl, -R'NHCOR, -CONHR, -R'CONHR, -R'OH, -R'SO2R, -R'SO2NHR, -R'OR or -COR, in any of which R is H, alkyl, cycloalkyl, alkenyl, cycloalkenyl, aryl, alkaryl or aralkyl and R' is alkylene, alkenylene, cycloalkylene, cycloalkenylene, arylene, alkarylene or aralkyrene, or substituted versions of any of these.

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Inventors:

DUNBAR JAMES CHARLES (US)
PRATT DOMINIC (GB)
JAMES DELYTH ANGHARAD (GB)

Application Number:

PCT/US2002/010625

Publication Date:

May 08, 2003

Filing Date:

April 04, 2002

Export Citation:

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Assignee:

PROCTER & GAMBLE (US)
DUNBAR JAMES CHARLES (US)
PRATT DOMINIC (GB)
JAMES DELYTH ANGHARAD (GB)

International Classes:

A61K8/00; A61K8/35; A61K8/41; A61K8/42; A61K8/49; A61Q5/10; (IPC1-7): A61K7/13

Domestic Patent References:

WO2001072271A2	2001-10-04
WO2001072272A2	2001-10-04
WO1998052519A1	1998-11-26

Foreign References:

EP1010419A2	2000-06-21
DE4335627A1	1995-04-20
GB1025916A	1966-04-14
EP0873745A2	1998-10-28

Other References: