Process for the preparation of an emulsion

Details Process for the preparation of an emulsion Process for the preparation of an emulsion

2004-08-26

2009-06-09

Yu, Gina C. (Department: 1611)

Drug, bio-affecting and body treating compositions

Dispersion or emulsion

C514S782000, C514S783000, C514S935000, C424S401000

Reexamination Certificate

active

07544718

ABSTRACT:
The invention is a continuous process for preparing a cosmetic or dermatological preparation, comprising emulsifying at least two pre-products in at least one mixing apparatus, cooling the emulsion to less than 40° C. by adding an aqueous phase with a lower temperature than the mixture, adding at least one ingredient selected from the group consisting of perfume oil and temperature-sensitive active ingredients, and homogenizing the emulsion in at least one homogenizing apparatus at a temperature of from 20 to 50° C. The invention also includes a product made by such process.

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International Search Report from corresponding International Application No. PCT/EP/01885, dated Dec. 11, 2003.
German Search Report from corresponding German Application No. 102 08 265.0, dated Oct. 21, 2002.

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