C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 219/34 (2006.01) A61K 8/02 (2006.01) A61K 8/37 (2006.01) A61Q 17/04 (2006.01)
Patent
CA 2537656
The invention relates to a method for the production of powdery preparations containing diethylamino-hydroxybenzoyl-hexyl-benzoate of formula (I), by: a) dispersing the benzoylbenzoate I in an aqueous molecular dispersed or colloidally dispersed solution of a protective colloid and b) transforming the formed dispersion into a dried powder by separating the water and, optionally, used solvents and by drying. The method is characterised in that modified starch is used as a protective colloid in step (a).
L'invention concerne un procédé pour produire des préparations pulvérulentes contenant du diéthylamino-hydroxybenzoyl-hexyl-benzoate de formule (I), par: a) dispersion du benzoate de benzoyle I dans une solution aqueuse en dispersion moléculaire ou en dispersion colloïdale d'un colloïdal protecteur et b) transformation de la dispersion formée en une poudre sèche par élimination de l'eau et éventuellement des solvants utilisés et par séchage. Ce procédé est caractérisé en ce que l'on utilise un amidon modifié comme colloïdal protecteur à l'étape a).
Andre Valerie
Auweter Helmut
Blanz Birgit
Goedel Werner
Habich Andreas
Basf Aktiengesellschaft
Robic
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