Thermally-transferable fluorescent diphenylpyrazolines

Details Thermally-transferable fluorescent diphenylpyrazolines Thermally-transferable fluorescent diphenylpyrazolines

1988-09-30

1989-09-12

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

8471, 428195, 428480, 428913, 428914, B41M 5035, B41M 526

Patent

active

048660256

ABSTRACT:
A donor element for thermal transfer comprising a support having on one side thereof a fluorescent diphenylpyrazoline compound dispersed in a polymeric binder, and on the other side thereof a slipping layer comprising a lubricant. In a preferred embodiment, the compound has the formula: ##STR1## wherein: R is hydrogen, cyan; carboxyalkyl; a substituted or unsubstituted alkyl group of 1 to about 6 carbon atoms; or a substituted or unsubstituted aryl group of about 6 to about 10 carbon atoms; and J is hydrogen; a substituted or unsubstituted alkyl group of 1 to about 6 carbon atoms; a substituted or unsubstituted aryl group of about 6 to about 10 carbon atoms; or may represent --CH.sub.2 -- or --CH.sub.2 CH.sub.2 -- to complete a 5- or 6-membered non-aromatic carbocyclic ring.

REFERENCES:
patent: 4627997 (1986-12-01), Ide

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