Title:
【発明の名称】皮膚外用剤として有用なベンゾ[B]ピラン誘導体
Document Type and Number:
Japanese Patent JP2002501914
Kind Code:
A
Abstract:
To provide an external agent for thee skin that not only exhibits excellent effects of prevention and amelioration of skin pigmentation but also has no fear of giving adverse influences to the skin and can be used safely, there is added to an external agent for the skin one or more compound(s) selected from compounds represented by formula (I) below:(wherein R1, R2, R3, R4, and R5, independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and R represents a hydrogen atom, an acyl group, or a sugar residue).
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Inventors:
Takao Hattori
Takayuki Katagiri
Yoshio Kitada
Takashi Yoshida
Hideyuki Ito
Takayuki Katagiri
Yoshio Kitada
Takashi Yoshida
Hideyuki Ito
Application Number:
JP2000529326A
Publication Date:
January 22, 2002
Filing Date:
January 28, 1999
Export Citation:
Assignee:
POLA Kasei Kogyo Co., Ltd.
International Classes:
A61K8/00; A61K8/02; A61K8/49; A61K8/60; A61K31/352; A61K31/353; A61K31/7042; A61K31/7048; C07H17/06; A61P17/16; A61Q17/04; A61Q19/02; C07D311/60; C07H17/04; (IPC1-7): C07D311/60; A61K7/00; A61K7/42; A61K31/353; A61K31/7048; A61P17/16; C07H17/06
Attorney, Agent or Firm:
Tsutomu Toyama (2 outside)