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:
Apr. 18, 2000
Filed:
Feb. 14, 1994
Applicant:
Inventors:
Alain Ribier, Paris, FR;
Jean-Thierry Simonnet, Paris, FR;
Assignee:
L'Oreal, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424450 ; 264-41 ; 264-43 ; 4284022 ; 514844 ;
Abstract
The invention relates to a process for stabilization of vesicles formed from a lipid-phase membrane containing at least one ionic and/or nonionic amphiphilic lipid encapsulating an aqueous phase, in the form of a dispersion in an aqueous phase, by addition of at least one stabilizing agent to the aqueous dispersion phase, in which the stabilizing agent (s) is/are chosen from the group composed of glycerol alginates, propylene glycol alginates, gellan gum and wellan gum. The invention also relates to a composition for topical application containing vesicles stabilized by the said process.