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:
May. 06, 1997
Filed:
Feb. 08, 1995
Jean-Luc Morancais, Ozoir-La-Ferriere, FR;
Alain Lety, Lagny-Sur-Marne, FR;
Guy Vanlerberghe, Villevaude, FR;
L'Oreal, Paris, FR;
Abstract
A composition comprises in an aqueous dispersion phase, a dispersion of lipid vesicles that encapsulate an aqueous phase. The lipid vesicles are a lipid phase containing an ionic amphiphilic lipid or a nonionic amphiphilic lipid, or a mixture thereof, together with a compound having the formula ##STR1## wherein (a) W represents --CH.sub.2 OH, --COOM or --(CH.sub.2).sub.2 --COOM, wherein M represents H, alkali metal or alkaline earth metal and X, Y, Z and V, each independently, represent hydrogen or hydroxyl, with the proviso that when W represents --CH.sub.2 OH at least one of X, Y, Z or V represents hydroxyl, or (b) W represents --CH.sub.3 and X, Y, Z and V represent H or OH combined as shown in each line of the table below: