Photographic elements incorporating polymeric ultraviolet absorbers
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 24, 1995
Grant Date -
N/A
app pub date -
Jul 1, 1992
filing date -
Jul 1, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A photographic element with particular polymeric ultraviolet absorbers. The ultraviolet absorbers have repeating units of the formula: ##STR1## wherein: X is O or NH; Y is H or halogen; R.sub.1 is selected from the group consisting of H, halogen, alkoxy , straight chain or branched alkyl group of 1 to 8 carbons; R.sub.2 is C.sub.2 -C.sub.10 alkylene which may be straight chain or branched; and R.sub.3 is H or CH.sub.3. Elements of the invention have good fresh Dmin and image dye stability, and the ultraviolet absorbers therein are highly light stable.
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