The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 17, 2007
Filed:
Aug. 22, 2002
Georg Boeck, Mainz, DE;
Michael Walz, Bingen, DE;
Georg Boeck, Mainz, DE;
Michael Walz, Bingen, DE;
Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim, DE;
Abstract
The invention relates to a new process for producing powdered preparations for inhalation comprising a substance having a smaller particle size distribution and a substance having a larger particle size distribution, wherein a substance having a smaller particle size distribution and a substance having a larger particle size distribution are continuously metered into a suitable mixing container such that the quotient N of the delivery speed for the metering of the substance having the smaller particle size distribution and the delivery speed for the metering of the substance having the larger particle size distribution is at least as great as the quotient M of the total mass of the substance having the smaller particle size distribution and the total mass of the substance having the larger particle size distribution.