Powdered preparations containing a mixture of...

Details Powdered preparations containing a mixture of... Powdered preparations containing a mixture of...

A - Human Necessities

61

K

A61K 8/49 (2006.01) A61K 8/04 (2006.01) A61K 8/41 (2006.01) A61Q 17/04 (2006.01)

Patent

CA 2537712

The invention relates to a method for the production of powdered preparations containing 2,4,6-trianilino-p-(carbo-2'-ethylhexyl-1'-oxi)-1,3,5-triazine of formula I and diethylamino-hydroxybenzoyl-hexyl-benzoate of formula II by a) jointly dispersing compounds I and II in an aqueous molecularly disperse or colloidally disperse solution of a protective colloid, and b) converting the obtained dispersion into a dry powder by eliminating the water and additionally used solvents, if applicable, and drying. The inventive method is characterized in that modified starch is used as a protective colloid in step a).

La présente invention concerne un procédé pour produire des préparations pulvérulentes contenant de la 2,4,6-trianilino-p-(carbo-2'-éthylhexyl-1'-oxi)-1,3,5-triazine de formule (I) et du diéthylamino-hydroxybenzoyl-hexyl-benzoate de formule (II). Ce procédé consiste a) à disperser de manière commune les composés (I) et (II) dans une solution aqueuse en dispersion moléculaire ou en dispersion colloïdale d'un colloïde protecteur et b) à transformer la dispersion formée en une poudre sèche, par séparation de l'eau et éventuellement en utilisant en plus un solvant, puis par séchage. Cette invention est caractérisée en ce que l'on utilise de l'amidon modifié en tant que colloïde protecteur dans l'étape a) du procédé.

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