Pyridone-based yellow monoazo dye for use in thermal transfer an

Details Pyridone-based yellow monoazo dye for use in thermal transfer an Pyridone-based yellow monoazo dye for use in thermal transfer an

1996-05-08

1999-07-27

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

106 20R, 106 21D, 106 22R, 106 23R, C09B 2942, C09D 1100, C09D 1102

Patent

active

059292180

ABSTRACT:
The present invention relates to pyridone-based yellow monoazo dyes used in thermal transfer having following formula(I) which have good stability and hue. ##STR1## wherein, R.sub.1 is hydrogen atom; unsubstituted or substituted alkyl group of from 1 to 8 carbon atoms with alkoxy or aryl; or unsubstituted or sustituted aryl group with alkoxy or halogen.
And,

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