Sunscreens
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 1, 1998
Grant Date -
N/A
app pub date -
Mar 25, 1996
filing date -
Mar 22, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Compounds of formula ##STR1## wherein R and R.sub.1 can be the same or different and are C.sub.1 -C.sub.18 straight or branched alkyl, C.sub.5 -C.sub.12 cycloalkyl, optionally substituted with one or more C.sub.1 -C.sub.4 alkyl; R.sub.2, R.sub.3 and R.sub.4 can be the same or different and have the same meaning of R or are hydrogen. Said compounds are useful as photostabilizing agents for synthetic polymers and as sunscreens for the protection of human skin from sunburns. When used as photostabilizing agents or sunscreens, the above described compounds are more resistant to hydrolysis.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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