Dry powder for inhalation formulation comprising salmeterol xinafoate, fluticasone propionate and tiotropium bromide, and method for preparing same

US9283232B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9283232-B2
Application numberUS-201314402548-A
CountryUS
Kind codeB2
Filing dateJun 3, 2013
Priority dateJun 14, 2012
Publication dateMar 15, 2016
Grant dateMar 15, 2016

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  1. Title

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  2. Abstract

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

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Provided is a dry powder for inhalation formulation comprising salmeterol xinafoate, fluticasone propionate and tiotropium bromide, as pharmaceutically active ingredients, and a carrier, and an inhalation formulation comprising same. The inventive dry powder inhalation formulation having good content uniformity and showing small changes in the aerodynamic size distribution in accordance with the flow rate changes can effectively deliver said pharmaceutically active ingredients to a target site upon administration, and thus can be useful in the prevention or treatment of respiratory diseases, particularly asthma and COPD.

First claim

Opening claim text (preview).

What is claimed is: 1. A dry powder for inhalation formulation comprising salmeterol xinafoate, fluticasone propionate, tiotropium bromide, and a carrier, said powder having an average particle size in a range of 30 to 120 μm. 2. The dry powder for inhalation formulation of claim 1 , whose average particle size is in a range of 55 to 65 μm. 3. The dry powder for inhalation formulation of claim 1 , wherein the carrier is selected from the gr…

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What does patent US9283232B2 cover?
Provided is a dry powder for inhalation formulation comprising salmeterol xinafoate, fluticasone propionate and tiotropium bromide, as pharmaceutically active ingredients, and a carrier, and an inhalation formulation comprising same. The inventive dry powder inhalation formulation having good content uniformity and showing small changes in the aerodynamic size distribution in accordance with th…
Who is the assignee on this patent?
Hanmi Pharm Ind Co Ltd, Hanmi Pharm Ind Co Ltd
What technology area does this patent fall under?
Primary CPC classification A61K31/56. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Mar 15 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).