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US 3,939,260 AGranted
Therapeutic and cosmetic compositions
AssigneeSociete Anonyme dite: Orsymonde
InventorVictor Lafon
Life of this patent
Estimating the term…
Abstract
Lyophilised oil-in-water emulsions and suspensions are useful as compositions for dermatological, cosmetological, buccal, and dental use having the advantage over conventional compositions of lower bulk and better storage stability.
Claims2
A process of preparing an emolient cream in a porous support, which comprises admixing a molten oil phase comprising a fatty alcohol and an emulsifier with a heated aqueous phase comprising an emolient, a thickener, an emulsifier and water to form an oil-in-water emulsion;
- cooling the emulsion to form a cream;
- immersing a polyurethane foam, while compressed into said cream and allowing the cream to be absorbed into the foam;
- and freeze-drying the foam thus impregnated with the cream.
Dependencies are inferred from the claim text.