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Details for Patent: 5,766,573

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Summary for Patent: 5,766,573

Title: Medicinal aerosol formulations
Abstract:A self-propelling aerosol formulation which may be free from CFC's which comprises a medicament, 1,1,1,2-tetrafluoroethane, a surface active agent and at least one compound having a higher polarity than 1,1,1,2-tetrafluoroethane.
Inventor(s): Purewal; Tarlochan S. (Leamington Spa, GB2), Greenleaf; David J. (Loughborough, GB2)
Assignee: Riker Laboratories, Inc. (St. Paul, MN)
Application Number:08/783,737
Patent Claim Types:
see list of patent claims
Use; Formulation; Delivery;
Patent PDF download available with subscription

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Patented / Exclusive Use
3m
PROVENTIL-HFA
albuterol sulfate
Aerosol, Metered; Inhalation020503-001AUG 15, 1996RXYes5,766,573<disabled>
3m
QVAR 80
beclomethasone dipropionate
Aerosol, Metered; Inhalation020911-001SEP 15, 2000RXYes5,766,573<disabled>DELIVERING A MEDICINAL AEROSOL FORMULATION USING CFC-FREE PROPELLANT 134A.
3m
QVAR 40
beclomethasone dipropionate
Aerosol, Metered; Inhalation020911-002SEP 15, 2000RXYes5,766,573<disabled>DELIVERING A MEDICINAL AEROSOL FORMULATION USING CFC-FREE PROPELLANT 134A.
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Non-Orange Book Patents for Patent: 5,766,573

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
5,674,473 Medicinal aerosol formulations<disabled in preview>
5,225,183 Medicinal aerosol formulations<disabled in preview>
5,695,743 Medicinal aerosol formulations<disabled in preview>
5,605,674 Medicinal aerosol formulations<disabled in preview>
6,352,684 CRC-free medicinal aerosol formulations of 1,1,1,2-tetrafluoroethane (134A) with polar adjuvant<disabled in preview>
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International Patent Family for Patent: 5,766,573

Country Document Number Publication Date Supplementary Protection Certificate SPC Country SPC Expiration
JapanH02200627Aug 08, 1990
European Patent Office0372777Jun 13, 1990
Canada2004598Nov 07, 2000
Denmark595789Nov 27, 1989
Australia4595689Jun 14, 1990
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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors.

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Copyright 2002-2015 thinkBiotech LLC
ISSN: 2162-2639

Preferred citation:

Friedman, Y. Location of pharmaceutical innovation: 2000–2009 Nature Reviews Drug Discovery 9, 835–836 (2010).

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