Process for the preparation of stable dispersions of at least on

Compositions – Preservative agents – Anti-corrosion

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2523152, 2523156, 264 41, B01J 1300

Patent

active

051548542

ABSTRACT:
A process for the preparation of a stable emulsion of at least one water-immiscible liquid phase L in an aqueous phase D is described which comprises mixing the liquid phase or phases L with a dispersion of spheres in an aqueous phase D, the spheres having an average diameter of 0.025 to 5 microns and consisting of substantially concentric lipid laminae encapsulating an aqueous phase E between them, the lipid or lipids constituting the laminae being ionic or nonionic amphiphilic substances capable of forming a lamellar phase in water, and subjecting the whole to mechanical agitation so as to disperse the phase (or phases) L in the phase D in the form of droplets having an average diameter of 0.1 micron to a few microns.

REFERENCES:
patent: 3957971 (1976-05-01), Oleniacz
patent: 4217344 (1980-08-01), Vanlerberghe
patent: 4224179 (1980-09-01), Schneider
patent: 4776976 (1988-10-01), Nakamura
patent: 4776991 (1988-10-01), Farmer
patent: 4789633 (1988-12-01), Huange

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