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Title:
OIL-IN-WATER TYPE EMULSION COMPOSITION
Document Type and Number:
Japanese Patent JP2014070032
Kind Code:
A
Abstract:

To provide an oil-in-water type emulsion composition having emulsion stability, moistness, use feeling without squeaky feeling or sticky feeling, and low skin irritation.

An oil-in-water type emulsion composition comprises a polymersome particle having an alkylene oxide derivative represented by the general formula (1) or a specific formula as a membrane component, an oily component as an internal phase and an aqueous component as an external phase. (In the formula, AO is an oxyalkylene group having a carbon number of 3 to 4, EO is an oxyethylene group, and the addition form of these is block. m is an average addition molar number of the oxyalkylene group and l and n are average addition molar numbers of the oxyethylene group where 1≤m≤70 and 1≤l+n≤70. The proportion of the oxyethylene group is 20 to 80 mass% relative to the total of the oxyalkylene group having a carbon number of 3 to 4 and the oxyethylene group. R1 and R2 are hydrocarbon groups having a carbon number of 1 to 4, which may be the same or different.)


Inventors:
SUGIYAMA YUKI
OMORI TAKASHI
SATO TOMOKO
MATSUSHITA YASUSHI
SHOJI TAKESHI
Application Number:
JP2012215772A
Publication Date:
April 21, 2014
Filing Date:
September 28, 2012
Export Citation:
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Assignee:
SHISEIDO CO LTD
International Classes:
A61K8/86; A61K8/06; A61K8/14; A61Q5/00; A61Q5/06; A61Q13/00; A61Q17/04; A61Q19/00; A61Q19/10; C09K23/52
Domestic Patent References:
JP2006239666A2006-09-14
JP2011184367A2011-09-22
Foreign References:
WO2011065056A12011-06-03
Attorney, Agent or Firm:
Yuji Iwahashi