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Title:
POWDER INHALANT, INHALER AND METHOD FOR PRODUCING POWDER INHALANT
Document Type and Number:
WIPO Patent Application WO/2017/047650
Kind Code:
A1
Abstract:
Provided is a powder inhalant that contains composite particles which are obtained by applying vibrations having frequencies in the range of 7.5-480 Hz to a mixture of first particles having an average particle diameter d50 of 10-200 μm and second particles having an average particle diameter d50 of 1-5 μm, and in which a plurality of the second particles are supported on the surface of the first particles.

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Inventors:
TAKAHASHI NAOYUKI (JP)
NAKAMURA YASUAKI (JP)
OTSUKA MAKOTO (JP)
TANAKA RYOMA (JP)
Application Number:
PCT/JP2016/077132
Publication Date:
March 23, 2017
Filing Date:
September 14, 2016
Export Citation:
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Assignee:
DAIWA CAN CO LTD (JP)
International Classes:
A61K9/14; A61K31/137; A61K31/56; A61K45/00; A61K47/26; A61P11/06; A61P43/00
Domestic Patent References:
WO2014078258A12014-05-22
WO2014205157A12014-12-24
WO2014074808A12014-05-15
Foreign References:
JP2015516950A2015-06-18
Other References:
AKIHIRO NOMURA ET AL.: "Kido Ensho ni Okeru Kyunyu Steroid no Sayo", THE LUNG PERSPECTIVES, vol. 16, no. 1, 2008, pages 48 - 52, ISSN: 0919-5742
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
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