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Details for Patent: 6,142,145

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Patent 6,142,145 protects PULMICORT FLEXHALER and is included in one NDA.

This patent has four patent family members in four countries.

Summary for Patent: 6,142,145

Title: Inhalation device
Abstract:An inhaler for administering powder by inhalation, including an inhaler body having two ends and a peripheral wall therebetween; an inhalation unit disposed in the inhaler body, the inhalation unit comprising an inhalation channel, the inhalation channel having an air inlet and an outlet; a dosing unit disposed in the inhaler body for providing a dose of powder to the inhalation channel such that a stream of air containing powder may be drawn from the outlet of the inhalation channel on inhalation by a user; a divider having a first surface bounded by a periphery and which substantially closes one end of the inhaler body; a mouthpiece attached to the periphery of the divider, the mouthpiece having a substantially radially directed flange which provides a second surface and which, together with the first surface, defines an air chamber; a first inlet for the air chamber provided in the first surface within the periphery of the divider and in fluid communication with the outlet of the inhalation channel; a second inlet for the air chamber disposed in the first surface within the periphery of the divider and adjacent the first inlet, a stream of supplementary air in use being drawn through the second inlet on inhalation by the user; and a discrete opening in peripheral wall of the inhaler body which is in fluid communication with the second inlet of the air chamber.
Inventor(s): Dagsland; Allan (Karlshamn, SE), Malmqvist-Granlund; Karin (Kavlinge, SE), Virtanen; Risto (Nurmijarvi, FI)
Assignee: Astra Aktiebolag (Sodertalje, SE)
Application Number:09/068,379
Patent Claim Types:
see list of patent claims
Patent Metrics:
Source: PatentQuant.com
Field: Medical technology
Back Citations: 23rd percentile
Forward Citations: 5th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
POWDER, METERED;INHALATION021949-001Jul 12, 2006RXNo6,142,145May 8, 2018Y
POWDER, METERED;INHALATION021949-002Jul 12, 2006RXYes6,142,145May 8, 2018Y
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Foreign Priority and PCT Information for Patent: 6,142,145

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Sweden9700940Mar 14, 1997
PCT Information
PCT FiledMarch 13, 1998PCT Application Number:PCT/SE98/00460
PCT Publication Date:September 24, 1998PCT Publication Number: WO98/41259

International Patent Family for Patent: 6,142,145

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia6430698► subscribe
European Patent Office0975382► subscribe
Sweden9700940► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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