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Details for Patent: 6,641,800

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Summary for Patent: 6,641,800

Title: Pressurized aerosol compositions comprising powdered medicament dispersed in hydrofluoroalkane
Abstract:Pressurized aerosol composition for administration by inhalation comprising a liquefied hydrofluoroalkane, a powdered medicament dispersed therein, and a suspending agent comprising a polymer soluble in the liquefied hydrofluoroalkane which is selected from polymers including recurring amide containing structural units, copolymers of amide containing units and carboxylic acid ester units, polyvinylacetate and acrylic acid/methacrylic acid ester copolymers.
Inventor(s): Mistry; Suresh N (Birstall, GB), Gibson; Mark (Shepshed, GB)
Assignee: Fisons Ltd. (West Malling, GB)
Application Number:09/616,069
Patent Claim Types:
see list of patent claims
Composition; Process;
Patent PDF download available with subscription

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Foreign Priority and PCT Information for Patent: 6,641,800

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9120396Sep 25, 1991
United Kingdom9120675Sep 28, 1991
United Kingdom9124661Nov 19, 1991
United Kingdom9203212Feb 14, 1992

International Patent Family for Patent: 6,641,800

Country Document Number Publication Date
South Africa9207242Mar 22, 1993
World Intellectual Property Organization (WIPO)9305765Apr 01, 1993
United States of America6123924Sep 26, 2000
Slovakia34094Nov 09, 1994
Slovakia279456Nov 04, 1998
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