Last Updated: November 8, 2026

Details for Patent: 8,327,844

Name: Drug Patent Intelligence for US Patent 8327844
Creator: DrugPatentWatch
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Summary for Patent: 8,327,844

Title:	Nasal delivery method
Abstract:	A delivery device (20, 22) for and a method of delivering a substance to the nasal airway (1) of a subject, in particular the posterior region of the nasal airway, the delivery device comprising: a closure unit for causing the closure of the oropharyngeal velum of the subject; and a delivery unit for delivering a gas flow entraining a substance to one of the nostrils of the subject at such a driving pressure as to flow around the posterior margin of the nasal septum and out of the other nostril of the subject, wherein the delivery unit comprises a nosepiece (30, 40, 58, 82, 102, 132) which includes an outlet through which the gas flow is in use delivered to the one nostril and a sealing member for sealing the one nostril to the outlet such as in use to prevent the escape of the gas flow through the one nostril.
Inventor(s):	Per Gisle Djupesland
Assignee:	Optinose Inc
Application Number:	US10/813,326
Patent Claim Types: see list of patent claims	Use; Formulation; Delivery; Device;

Drugs Protected by US Patent 8,327,844

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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: 8,327,844

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
United Kingdom	9904906.6	Mar 3, 1999
United Kingdom	9911686.5	May 19, 1999

International Family Members for US Patent 8,327,844

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	285810	⤷ Start Trial
Austria	422923	⤷ Start Trial
Austria	427130	⤷ Start Trial
Austria	487506	⤷ Start Trial
Austria	506983	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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