The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 28, 2017

Filed:

Jul. 08, 2009
Applicants:

Kazutaka Sasaki, Yokohama, JP;

Manabu Shimoda, Yokohama, JP;

Yoshihito Takakura, Yokohama, JP;

Haruhiko Inoue, Yokohama, JP;

Shigeru Mugikura, Yokohama, JP;

Inventors:

Kazutaka Sasaki, Yokohama, JP;

Manabu Shimoda, Yokohama, JP;

Yoshihito Takakura, Yokohama, JP;

Haruhiko Inoue, Yokohama, JP;

Shigeru Mugikura, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/06 (2006.01); A61K 31/53 (2006.01); A61K 31/216 (2006.01); A61K 31/277 (2006.01); A61Q 17/04 (2006.01); A61K 8/34 (2006.01); A61K 8/37 (2006.01); A61K 8/67 (2006.01); A61K 8/86 (2006.01); A61Q 19/08 (2006.01);
U.S. Cl.
CPC ...
A61K 8/06 (2013.01); A61K 8/062 (2013.01); A61K 8/342 (2013.01); A61K 8/375 (2013.01); A61K 8/671 (2013.01); A61K 8/86 (2013.01); A61Q 19/08 (2013.01);
Abstract

An oil in water emulsion cosmetic composition for skin, in which vitamin A and its derivatives are stably incorporated and which has superior feeling in use (skin familiarity or feeling of skin absorption, feeling of efficacy after application) and base composition stability (emulsion stability) with the passage of time. The oil in water emulsion cosmetic composition for skin comprises, relative to the total amount of the cosmetic composition, (a) from 0.01 to 4% by mass of vitamin A and its derivative, (b) from 0.6 to 4% by mass of a nonionic surfactant comprising three of (b-1) sorbitan tristearate, (b-2) polyethylene glycol stearate with from 20 to 120 mols of polyethylene glycol added thereto, (b-3) glyceryl stearate having an HLB of from 5 to 8, and (c) from 1 to 10% by mass of a higher alcohol having from 14 to 24 carbon atoms, wherein the blend ratio (by mass) of component (b-1) to component (b) is from 0.1 to 0.8.


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