Powdery aerosol preparation

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/12 (2006.01) A61K 31/4174 (2006.01) A61M 11/00 (2006.01)

Patent

CA 2299711

Powdery aerosol preparation improved in the adherence of the powder itself and the effective components thereof to the skin and excellent in the feeling of use, characterized by comprising 50 to 90 % by weight of a propellant having a vapor pressure at 20 ~C of not higher than 4.5 kg/cm2, 5 to 30 % by weight of an aliphatic hydrocarbon having a boiling point of 5 to 40 ~C, 0.5 to 20 % by weight of a powdery component, and 1 to 20 % by weight of a lower alcohol in a container provided with a straight button of an aperture of 0.7 to 2.0 mm.

L'invention concerne une préparation d'aérosol pulvérulente présentant des propriétés améliorées d'adhérence de la poudre elle-même et des composants effectifs de la poudre à la peau ainsi que des propriétés excellentes au toucher, la préparation se caractérisant par le fait qu'elle contient 50 à 90 % en poids d'un agent propulseur possédant une pression de vapeur à 20 ·C inférieure ou égale à 4,5 kg/cm?2¿, 5 à 30 % en poids d'un hydrocarbure aliphatique possédant un point d'ébullition de 5 à 40 ·C, 0,5 à 20 % en poids d'un composant pulvérulent, et 1 à 20 % en poids d'un alcool inférieur dans un récipient comportant un bouton droit présentant une ouverture comprise entre 0,7 et 2,0 mm.

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