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Patent: 6,503,362

Summary for Patent: 6,503,362

Title: Atomizing nozzle an filter and spray generating device
Abstract:A nozzle assembly for use in atomizing and generating sprays from a fluid. The nozzle assembly includes two members, each with generally planar surfaces, that are joined together. A first set of channels is formed in the generally planar surface of a first one of the members to form, in cooperation with the generally planar surface of the second of the members, a plurality of filter passageways. A plenum chamber is formed in the first member. The plenum chamber is in fluid communication with and downstream of the plurality of filter passageways. A second set of channels is formed in the generally planar surface of the first member to form, in cooperation with the generally planar surface of the second member, a plurality of nozzle outlet passageways. These nozzle outlet passageways are in fluid communication with the plenum chamber. The nozzle outlet passageways include a plurality of nozzle outlets which are adapted to discharge a plurality of fluid jets that impinge on one another to thereby atomize a flow of fluid.
Inventor(s): Bartels; Frank (Waldbronn, DE), Bachtler; Wulf (Mainz, DE), Dunne; Stephen Terence (Suffolk, GB), Eicher; Joachim (Karlsruhe, DE), Freund; Bernhard (Gau-Algesheim, DE), Hart; William Barrie (Suffolk, GB), Lessmoellmann; Christoph (Karlsruhe, DE)
Assignee: Boehringer Ingelheim International GmbH (DE)
Application Number:09/472,169
Patent Claim Types:
see list of patent claims
Device;
Patent PDF download available with subscription

Glossary
Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Boehringer Ingelheim
COMBIVENT RESPIMAT
albuterol sulfate; ipratropium bromide
SPRAY, METERED;INHALATION021747Oct 7, 2011RXYes6,503,362<disabled>Y
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Foreign Priority and PCT Information for Patent: 6,503,362

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9220505Sep 29, 1992
United Kingdom4236037Oct 24, 1992
United Kingdom9314804Jul 19, 1993

International Patent Family for Patent: 6,503,362

Country Document Number Publication Date
South Africa9307136May 18, 1994
WIPO (PCT)9407607Apr 14, 1994
United States5472143Dec 05, 1995
United States2003075623Apr 24, 2003
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