Title:
XANTHONE DERIVATIVE, AND SKIN CARE PREPARATION AND PHARMACEUTICAL COMPOSITION EACH CONTAINING THE SAME
Document Type and Number:
Japanese Patent JP2007153773
Kind Code:
A
Abstract:
To provide a new xanthone derivative having excellent skin brightening effect and exerting excellent effects in fading and preventing pigmentation, fleckles, chloasma or the like after skin sunburn.
The new xanthone derivative of a specific structure is provided. Skin care preparations and pharmaceutical compositions each containing the new xanthone derivative are also provided, respectively. The above xanthone derivative, which has melanogenesis-inhibitory effect and is useful as a skin brightening agent, exerts excellent skin-brightening effect through being compounded in the above preparations and compositions.
Inventors:
KOBAYASHI KOJI
NISHIYAMA SHIGERU
SATO KIYOSHI
SHIBATA TAKAKO
NISHIYAMA SHIGERU
SATO KIYOSHI
SHIBATA TAKAKO
Application Number:
JP2005348894A
Publication Date:
June 21, 2007
Filing Date:
December 02, 2005
Export Citation:
Assignee:
SHISEIDO CO LTD
International Classes:
C07D311/86; A61K8/49; A61K31/352; A61P17/00; A61Q19/02
Attorney, Agent or Firm:
Tetsuro Ikuta
Hideo Nagoshi
Hideo Nagoshi
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