Heat-sensitive recording material

Details Heat-sensitive recording material Heat-sensitive recording material

1984-11-05

1985-09-17

Hess, Bruce H.

Recorders

Record receiver deforming

346225, 427151, B41M 518

Patent

active

045423954

ABSTRACT:
Novel phenolic compounds useful as a color developer suitable for satisfying the quality requirements of heat-sensitive recording materials are provided, which compounds are expressed by the general formula ##STR1## wherein R.sub.1 represents an alkyl group or a cycloalkyl group and R.sub.2 represents hydrogen atom or an alkyl group; and also heat-sensitive recording materials usable in a broad application field are provided, which recording materials are provided with a heat-sensitive recording layer composed mainly of a colorless basic dye and the above compounds as a color developer by which the dye forms colors, overlaid on a substrate.

REFERENCES:
patent: 2883365 (1959-04-01), Mathes
patent: 2894004 (1959-07-01), Dietzler
patent: 3408407 (1968-10-01), Cotter et al.
patent: 3539375 (1970-11-01), Baum
patent: 4283458 (1981-08-01), Igarashi et al.

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