Transfer of azo dyes having a pyridine coupling component
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 3, 1990
Grant Date -
N/A
app pub date -
Jun 12, 1989
filing date -
Jun 15, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Azo dyes are transferred from a substrate to a plastic-coated paper by diffusion with the aid of a thermal printing head, these azo dyes having the formula ##STR1## where D is the radical of a diazo component and R.sup.1, R.sup.2 and R.sup.3 are each independently of the others hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted phenyl or substituted or unsubstituted cyclohexyl and R.sup.4 is alkyl.
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