Fluoran compound, heat sensitive recording materials comprising

Details Fluoran compound, heat sensitive recording materials comprising Fluoran compound, heat sensitive recording materials comprising

1992-12-04

1993-07-27

Raymond, Richard L.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Identified color-former

549224, B41M 514

Patent

active

052310698

ABSTRACT:
Heat-sensitive recording paper which employs as a chromogenic compound a novel fluoran compound represented by the formula: ##STR1## and prepared reacting a benzoic acid derivative of the formula: ##STR2## with a diphenylamine derivative of the formula: ##STR3## wherein R is a lower alkyl group have excellent stability.

REFERENCES:
patent: 5079211 (1992-01-01), Shimura et al.
Chemical Abstracts, vol. 100, No. 18, p. 603, Abstract No. 14855p (Apr. 30, 1984).
Chemical Abstracts, vol. 96, No. 14, p. 639, Abstract No. 113538g (Apr. 5, 1982).
Chemical Abstracts, vol. 106, No. 24, p. 605, Abstract No. 205276y (Jun. 15, 1987).
Chemical Abstracts, vol. 106, No. 6, p. 91, Abstract No. 34653n (Feb. 9, 1987).
Chemical Abstracts, vol. 98, No. 22, p. 83, Abstract No. 181134p (May 30, 1983).

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