Patent ID: 9072775
Filing Date: 2015-07-07
Classification: A61K,A61P,B01F

Abstract:
1. A metastable fluorescent emulsion of oil-in-water type that is stable at pH 7.3, comprising at least one aqueous continuous phase and at least one oily dispersed phase; wherein the dispersed phase comprises droplets of: wherein said droplets have an average diameter greater than or equal to 10 nm and less than or equal to 200 nm and contain at least one lipophilic fluorophore which absorbs and emits at a wavelength between 640 and 900 nm, and wherein said droplets are stabilized by a surfactant layer located at the periphery of said droplets, wherein said layer comprises, as a mixture, at least one amphiphilic surfactant and at least one stealth cosurfactant.