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:
Nov. 02, 1999

Filed:

Mar. 01, 1996
Applicant:
Inventors:

Jue-Chen Liu, Neshanic, NJ (US);

Jonas C Wang, Robbinsville, NJ (US);

Mohammed Yusuf, Edison, NJ (US);

Norihiro Yamamoto, Koriyama, JP;

Satoshi Kazama, Sukagawa, JP;

Christopher R Stahl, Hawthorne, CA (US);

Jean P Holland, Doylestown, PA (US);

Kamran Mather, Agoura Hills, CA (US);

Margaret A Aleles, Gladstone, NJ (US);

Sachio Hamada, St-Germain-en-Laye, FR;

Curtis A Cole, Langhorne, PA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424401 ; 424450 ; 424 59 ; 424 60 ; 424 7803 ; 424 7805 ; 424 7806 ; 424 7807 ; 424D / ; 424D / ; 514859 ; 514887 ; 514937 ; 514938 ; 514944 ;
Abstract

Skin care compositions comprising an oil-in-water emulsion base containing retinoids and possessing good physical and chemical stability. More particularly, said skin care compositions contain (a) an emulsifier system selected from the group consisting of: (i) a mixture of glyceryl stearate and polyethylene glycol 100 stearate; (ii) cetearyl alcohol and cetearyl glucoside; (iii) a mixture of a polyethylene glycol ethers of stearyl alcohol; and (iv) a mixture of sorbitan stearate and polysorbate 60; (b) a co-emulsifier selected from the group consisting of cetyl alcohol, stearyl alcohol and mixtures thereof; (c) an oil phase present in the amount of from about 5 to about 20 percent by weight of the total emulsion composition which contains (i) a light, dry absorbable oil and (ii) substantive, emollient oils or waxes, wherein the light, dry absorbable oil and the substantive oil or wax are present in a ratio of from about 1:3 for about 10:1.


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