Additive for heat-sensitive recording material, the recording ma

Details Additive for heat-sensitive recording material, the recording ma Additive for heat-sensitive recording material, the recording ma

1990-01-19

1991-07-16

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Having nonchromogenic liquid spread-control or...

427150, 503208, 503225, B41M 530

Patent

active

050325671

ABSTRACT:
A hydantoin compound of the formula: ##STR1## (wherein R stands for an alkyl group of 8 to 20 carbon atoms) increases the sensitivity of a color developing reaction of a heat-sensitive recording material and enhances the high-speed recording property of the recording material without sacrifice of the whiteness thereof. The heat-sensitive recording material containing the hydantoin compound is novel to the art.

REFERENCES:
patent: 3632364 (1972-01-01), Thomas et al.
patent: 4171981 (1979-10-01), Austin et al.
patent: 4203619 (1980-05-01), Sanders

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