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.
Patent No.:
Date of Patent:
Oct. 25, 1994
Filed:
Sep. 16, 1992
Applicant:
Inventors:
Jean-Pierre Laugier, Antony, FR;
Evelyne Segot, Nogent-sur-Marne, FR;
Assignee:
L'Oreal, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424450 ; 514863 ; 5147726 ;
Abstract
Pharmaceutical composition for topical application to the skin, comprising an oil-in-water emulsion containing dithranol. This composition contains, in order to prevent the oxidation of the dithranol, nonionic vesicles prepared from a lipid phase containing at least one nonionic amphiphilic lipid. These vesicles are dispersed in the aqueous phase of the emulsion.