Heterocyclic formamidines useful as ultraviolet light absorbers
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 25, 1995
Issued Date -
N/A
app pub date -
Apr 9, 1993
filing date -
Dec 19, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Novel substituted heterocyclic formamidines are useful as ultraviolet light absorbers, the formamidines having the formula ##STR1## wherein: Ar represents a 2-thiazolyl, 2-pyridyl, 2- 4,6-dimethyl) pyrmidyl or a 4-(2-methyl)quinolyl group, and, R represents a phenyl group or an alkyl group of from one to eight carbon atoms.
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