Process for the preparation of a solid dispersion of at least on

Details Process for the preparation of a solid dispersion of at least on Process for the preparation of a solid dispersion of at least on

1992-07-24

1995-08-01

Ivy, C. Warren

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

106270, 252352, 514784, 514785, 514787, 514943, A61K 742, A61K 744, A61K 748

Patent

active

054378591

ABSTRACT:
A process for preparing a stable and anhydrous solid dispersion, containing from 20 to 95 weight percent of a fatty body, constituted of 10 to 50 weight percent of at least one wax having a melting point greater than 55.degree. C., and from 4 to 50 weight percent of a polyhydric alcohol, involves heating the fatty body and the polyhydric alcohol to a temperature between 65.degree. and 95.degree. C. and mixing the heated components in a turbine rotating at a speed greater than 1500 rpm. The resulting dispersion is employed in the production of cosmetics in stick form.

REFERENCES:
patent: 4879274 (1989-11-01), Kamiya et al.
patent: 4894222 (1990-01-01), Matravers
patent: 5232689 (1993-08-01), Katsoulis et al.
Derwent Abstracts of Great Britain Pat. No. 2,072,503 (1981).
French Search Report of FR 91 09514 Apr. 10, 1992.
Patent Abstracts of Japan, vol. 13, No. 399 (C-632)(3747), Sep. 1989.
Patent Abstracts of Japan, vol. 8, No. 266 (C-255)(1703, Dec. 1984).
Patent Abstracts of Japan, vol. 15, No. 238 (C-841)(4766), Jun. 1991.

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