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Details for Patent: 8,834,849

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Patent 8,834,849 protects PROAIR HFA and is included in one NDA.

This patent has sixteen patent family members in thirteen countries.

Summary for Patent: 8,834,849

Title:Medicinal aerosols and methods of delivery thereof
Abstract: The replacement of chlorofluorohydrocarbon propellants in medical aerosols is of the utmost importance to the pharmaceutical industry. A number of formulations have been investigated. The present invention provides a medical aerosol formulation comprising a particular medicament, a fluorocarbon propellant and 6 to 25% w/w of the total formulation of a polar co-solvent, such formulation being substantially free of surfactant. Canisters suitable for delivering such a pharmaceutical formulation are also provided.
Inventor(s): Millar; Fiona Catherine (Waterford, IE)
Assignee: Norton Healthcare Limited (London, GB)
Application Number:12/455,236
Patent Claim Types:
see list of patent claims
Formulation; Delivery;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 0th percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Teva Branded Pharm
PROAIR HFA
albuterol sulfate
AEROSOL, METERED;INHALATION021457-001Oct 29, 2004RXYes8,834,849► subscribeY
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Foreign Priority and PCT Information for Patent: 8,834,849

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9616237.5Aug 1, 1996

Non-Orange Book Patents for Patent: 8,834,849

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
7,566,445Medicinal aerosols and methods of delivery thereof► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Patent: 8,834,849

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Norway325491► subscribe
Norway990454► subscribe
Japan2011173910► 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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