Phenolic compounds and a heat-sensitive recording material conta

Details Phenolic compounds and a heat-sensitive recording material conta Phenolic compounds and a heat-sensitive recording material conta

1984-03-23

1985-08-13

Lone, Werren B.

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

Organic compounds

Oxygen containing

568718, 568722, C07C 3917, C07C 3912

Patent

active

045351902

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), Igerashi et al.

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