Claims for Patent: 5,478,578

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Summary for Patent: 5,478,578

Title:	Powders for inhalation
Abstract:	PCT No. PCT/EP92/02814 Sec. 371 Date Aug. 15, 1994 Sec. 102(e) Date Aug. 15, 1994 PCT Filed Dec. 12, 1992 PCT Pub. No. WO93/11746 PCT Pub. Date Jun. 24, 1993.In order to control and optimize the amount of inhalable active substance released when drugs are administered as inhalation powders, the invention calls for the use of auxiliaries consisting of mixtures of coarser particles (average particle size>20 mu m) and finer particles (average particle size<10 mu m).
Inventor(s):	Klaus Arnold, Peter Grass, Adolf Knecht, Robert Roos, Gerhard Sluke, Herbet Thieme, Joachim Wenzel
Assignee:	Boehringer Ingelheim GmbH
Application Number:	US08/244,737
Patent Claims:

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