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:
Jan. 15, 2008
Filed:
Dec. 02, 2002
Jean-michel Mercier, Gouvieux, FR;
Emmanuelle Vallier, Aubervilliers, FR;
Jean-Michel Mercier, Gouvieux, FR;
Emmanuelle Vallier, Aubervilliers, FR;
Rhodia Chimie, , FR;
Abstract
The invention concerns a method for preparing a multiple emulsion comprising an invert emulsion consisting of an internal aqueous phase dispersed in an internal organic phase, dispersed in an external aqueous phase: the internal aqueous phase comprising optionally at least a hydrophilic active substance; the internal organic phase comprising optionally at least a hydrophobic active substance; the invert emulsion comprising at least an internal surfactant and/or at least an internal amphiphilic polymer; the external aqueous phase comprising optionally at least a hydrophilic active substance and at least an external surfactant and/or an external amphiphilic polymer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile