Pressurized aerosol compositions comprising powdered medicament dispersed in hydrofluoroalkane
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 4, 2003
Grant Date -
N/A
app pub date -
Jul 13, 2000
filing date -
Sep 25, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully