Dibenzoxaphosphorin compounds
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 22, 1988
Issued Date -
N/A
app pub date -
Nov 18, 1986
filing date -
Nov 7, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Photographic material containing magenta coupler is stabilized by incorporating a dibenzoxaphosphorin of the formula ##STR1## into the emulsion layer containing the coupler or into an adjoining colloid layer. The yellowing on dark storage of such material is substantially reduced as a result. The symbols A and n are defined in claim 1.
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