Title:
USE OF HALOGENATED HYDROXYDIPHENYL ETHER COMPOUNDS FOR THE TREATMENT OF THE SKIN
Document Type and Number:
WIPO Patent Application WO2005013931
Kind Code:
B1
Abstract:
The use of hydroxydiphenyl ether compounds of formula (I), wherein R1, R2 and R3 are each independently of the others hydrogen; hydroxy; C1-C20alkyl; hydroxy-substituted C1-C20alkyl; C5-C7cycloalkyl; C1-C20alkoxy; C1-C6alkylcarbonyl; phenyl; or phenyl-C1-C3alkyl; R4 is hydrogen, C1-C20alkyl; hydroxy-substituted C1-C20alkyl; C5-C7cycloalkyl; hydroxy; formyl; acetonyl; allyl; carboxy; carboxy-C1-C3alkyl; carboxyallyl; C2-C20alkenyl; C1-C6alkylcarbonyl; C1-C3alkylcarbonyl-C1-C3alkyl; phenyl; or phenyl-C1-C3alkyl; and R5 is hydrogen; C1-C20alkoxy; or C1-C6alkylcarbonyl; as melanogenesis inhibitors and for lightening the skin.
Inventors:
BASCHONG WERNER (CH)
SCHNYDER MARCEL (CH)
SCHNYDER MARCEL (CH)
Application Number:
PCT/EP2004/051379
Publication Date:
April 07, 2005
Filing Date:
July 07, 2004
Export Citation:
Assignee:
CIBA SC HOLDING AG (CH)
BASCHONG WERNER (CH)
SCHNYDER MARCEL (CH)
BASCHONG WERNER (CH)
SCHNYDER MARCEL (CH)
International Classes:
A61K8/34; A61Q19/02; (IPC1-7): A61K7/48
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