Storage stable tretinoin and 4-hydroxyanisole containing topical composition
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 5, 2002
Grant Date -
N/A
app pub date -
Aug 24, 2000
filing date -
Aug 24, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A long-term storage stable tretinoin and 4-hydroxyanisole composition contains low molecular weight polyethylene glycol, antioxidant, a chelating agent, lower alkanol and water. The chelating agent provides at least two of the functions of oxygen scavaging, free radical chain terminating and reducing. The composition has a pH of 2.5 to 5 and a water content of at least 12%.
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