Last Updated: November 8, 2026

Details for Patent: 5,472,143

Name: Drug Patent Intelligence for US Patent 5472143
Creator: DrugPatentWatch
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Summary for Patent: 5,472,143

Title:	Atomising nozzle and filter and spray generation device
Abstract:	A nozzle assembly for use in atomizing and generating sprays from a fluid. The nozzle assembly includes two members joined together. In one of the two members are formed one or more nozzle outlets, one or more fluid inlets, and a plurality of channels that form filter passageways. The nozzle outlets discharge fluid jets that impinge on one another to thereby atomize the fluid. Alternatively, an impact element or a vortex-generating structure can be used in the nozzle outlet to atomize the fluid.
Inventor(s):	Frank Bartels, Wulf Bachtler, Stephen T. Dunne, Joachim Eicher, Bernhard Freund, William B. Hart, Christoph Lessmoellmann
Assignee:	Boehringer Ingelheim International GmbH
Application Number:	US08/128,021
Patent Claim Types: see list of patent claims	Device;

Drugs Protected by US Patent 5,472,143

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

Foreign Priority and PCT Information for Patent: 5,472,143

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
United Kingdom	9220505	Sep 29, 1992
Germany	42 36 037.4	Oct 24, 1992
United Kingdom	9314804	Jul 19, 1993

International Family Members for US Patent 5,472,143

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	183673	⤷ Start Trial
Austria	312669	⤷ Start Trial
Austria	421384	⤷ Start Trial
Australia	4829993	⤷ Start Trial
Canada	2145758	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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