Title:
紫外線吸収剤、光安定化剤、及びこれを配合した紫外線吸収性組成物、光安定化組成物、皮膚外用剤
Document Type and Number:
Japanese Patent JP4514992
Kind Code:
B2
Abstract:
Providing an ultraviolet absorbent or photostabilizer with excellent absorption over a wide ultraviolet wavelength range and great stability and a high safety profile, as well as an ultraviolet-absorbing composition, a photostabilized composition and an external preparation for skin, where the pyridazine derivative of the following general formula and/or a salt thereof is included as the effective component of the ultraviolet absorbent or photostabilizer, or is included in the ultraviolet-absorbing composition, the photostabilized composition and the external preparation for skin: Wherein R1, R2, R3 and R4 are not simultaneously hydrogen atom; and R2 and R3 are not simultaneously morpholino group.
Inventors:
Succession win
Eijiro Hara
Eijiro Hara
Application Number:
JP2001182640A
Publication Date:
July 28, 2010
Filing Date:
June 15, 2001
Export Citation:
Assignee:
SHISEIDO COMPANY,LTD.
International Classes:
C09K3/00; A61K8/00; A61K8/02; A61K8/04; A61K8/49; A61K31/501; A61K31/5377; A61P17/16; A61Q1/00; A61Q1/02; A61Q1/04; A61Q1/06; A61Q1/10; A61Q1/12; A61Q5/00; A61Q17/00; A61Q17/04; A61Q19/00; C07D237/20; C07D237/22; C09K15/30; A61Q5/06
Domestic Patent References:
| JP3239729A | ||||
| JP2001233862A | ||||
| JP2002371193A |
Other References:
紙パ技協誌,1993年,第47巻第11号,p.90-96
Attorney, Agent or Firm:
Yuji Iwahashi