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. 15, 2000

Filed:

Apr. 27, 1995
Applicant:
Inventors:

Takeshi Yanagida, Yokohama, JP;

Okihiko Sakamoto, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424 59 ; 424 701 ; 424401 ; 514725 ; 514844 ; 514845 ; 514846 ; 514847 ; 514848 ; 514861 ; 514863 ; 514864 ; 514880 ;
Abstract

An external skin treatment composition containing (I) vitamin A (retinol) and (II) as a stabilizer, a chelating agent/a polysaccharide, an oil, polyethylene (propylene) glycol, a hydroxy carboxylate, a neutral amino acid salt, an oil-soluble antioxidant/EDTA/a benzophenone compound, an oil-soluble antioxidant/an acid/a benzophenone compound, an inclusion compound of cyclodextrin including an antioxidant and/or an ultraviolet absorber, butanediol and/or an oil-soluble antioxidant, a water-soluble benzophenone compound, a basic amino acid and the salt thereof, an acidic amino acid and the salt thereof, a polar oil, a water-swellable clay mineral.


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