ULTRAFINE POWDER FOR INHALATION AND PRODUCTION THEREOF

An ultrafine powder for inhalation to be transferred mainly to the lower airway, which comprises a drug and hydroxypropylcellulose and/or hydroxypropylmethylcellulose and wherein the particles having diameters in the range of 0.5-10 mu m account for 80 wt.% or above. Poudre ultra-fine pour inhalatio...

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Bibliographic Details
Main Authors SAKON, KIYOYUKI, SUZUKI, YOSHIKI, KOBAYASHI, HIDEKI, MAKINO, YUJI, SAKAGAMI, MASAHIRO
Format Patent
LanguageEnglish
French
Japanese
Published 23.12.1993
Edition5
Subjects
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Summary:An ultrafine powder for inhalation to be transferred mainly to the lower airway, which comprises a drug and hydroxypropylcellulose and/or hydroxypropylmethylcellulose and wherein the particles having diameters in the range of 0.5-10 mu m account for 80 wt.% or above. Poudre ultra-fine pour inhalation, destinée à être administrée principalement aux voies respiratoires inférieures. Cette poudre se compose d'un principe actif et d'un hydroxypropylcellulose et/ou d'un hydroxypropylméthylcellulose dans lequel les particules d'un diamètre se situant dans la plage de 0,5 à 10 mum représentent 80 % en poids ou plus.
Bibliography:Application Number: WO1993JP00786