SKIN PREPARATION FOR EXTERNAL USE

Title:

SKIN PREPARATION FOR EXTERNAL USE

Document Type and Number:

WIPO Patent Application WO/2010/021034

Kind Code:

A1

Abstract:

A skin preparation for external use, e.g., a skin-lightening agent or hair growth accelerator, which contains a highly-water-soluble compound having a specific structure capable of releasing 2,3-dimethoxy-5-methyl-1,4-dihydroxybenzene (reduced form). The skin preparation for external use is characterized by containing either a 2,3-dimethoxy-5-methyl-1,4-dihydroxybenzenecarboxylic acid ester derivative represented by the following general formula (I) or a salt of the derivative. (I) (In the formula (I), R1, R2, and R3 each is a specific group.)

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Inventors:

TAKATA JIRO (JP)
AKAHO NAMI (JP)
MATSUNAGA KAZUHISA (JP)
KARUBE YOSHIHARU (JP)
NAKASHIMA MANABU (JP)

Application Number:

PCT/JP2008/064830

Publication Date:

February 25, 2010

Filing Date:

August 20, 2008

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Assignee:

SHOWA DENKO KK (JP)
TAKATA JIRO (JP)
AKAHO NAMI (JP)
MATSUNAGA KAZUHISA (JP)
KARUBE YOSHIHARU (JP)
NAKASHIMA MANABU (JP)

International Classes:

A61K31/015; A61K8/44; A61K8/49; A61P17/14; A61P17/18; A61Q7/00; A61Q19/02

Domestic Patent References:

WO2002038111A1

2002-05-16

Foreign References:

JP2003104945A	2003-04-09
JP2008115170A	2008-05-22
JPS61289029A	1986-12-19
JP2003267864A	2003-09-25

Attorney, Agent or Firm:

SUZUKI, Shunichiro (JP)
Shunichiro Suzuki (JP)

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