Title:
WATER-IN-OIL EMULSION TYPE SUNSCREEN PREPARATION
Document Type and Number:
WIPO Patent Application WO/2007/097275
Kind Code:
A1
Abstract:
A water-in-oil emulsion type sunscreen preparation which exerts excellent and sufficient ultraviolet screening effect and which is excellent in long-term discoloration resistance and stability. The preparation is characterized by containing (a) 1 to 30% by mass of hydrophobized titanium oxide and/or zinc oxide, (b) 0.1 to 10% by mass of phenylbenzimidazolesulfonic acid, (c) triethanolamine in an amount of 50% by mass or above based on the component (b), (d) 0.1 to 10% by mass of trimethyl- siloxysilicic acid and, if necessary, (e) 0.01 to 20% by mass of a silicone surfactant.
Inventors:
TAKAKURA YOSHIHITO (JP)
YAMAGUCHI KAZUHIRO (JP)
YAMAGUCHI KAZUHIRO (JP)
Application Number:
PCT/JP2007/052942
Publication Date:
August 30, 2007
Filing Date:
February 19, 2007
Export Citation:
Assignee:
SHISEIDO CO LTD (JP)
TAKAKURA YOSHIHITO (JP)
YAMAGUCHI KAZUHIRO (JP)
TAKAKURA YOSHIHITO (JP)
YAMAGUCHI KAZUHIRO (JP)
International Classes:
A61K8/49; A61K8/06; A61K8/27; A61K8/29; A61K8/41; A61K8/894; A61Q17/04
Domestic Patent References:
| WO1996022073A2 | 1996-07-25 |
Foreign References:
| JP2005206573A | 2005-08-04 | |||
| JPH0782127A | 1995-03-28 | |||
| JP2002053559A | 2002-02-19 | |||
| JP2000169353A | 2000-06-20 | |||
| JP2006041832A | 2006-02-09 | |||
| JPH10120543A | 1998-05-12 | |||
| JP2002521417A | 2002-07-16 |
Other References:
See also references of EP 1997474A4
Attorney, Agent or Firm:
IWAHASHI, Yuji (Kanagawa Kanagawa-k, Yokohama-shi Kanagawa, JP)
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