Color-developing agent for pressure-sensitive recording sheet an

Details Color-developing agent for pressure-sensitive recording sheet an Color-developing agent for pressure-sensitive recording sheet an

1988-03-17

1989-02-21

Yarbrough, Amelia Burgess

Record receiver having plural interactive leaves or a colorless

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

Identified organic electron acceptor other than phenolic resin

428342, 428914, 503210, 503211, 503212, 503225, B41M 516

Patent

active

048065218

ABSTRACT:
The color-developing agent for pressure-sensitive recording sheet comprises a reaction product of carboxylated terpenephenol resin, aromatic carboxylic acid and polyvalent metal compound. The color-developing sheet containing the above color-developing agent provides an excellent color-developing rate and an improved light fastness.

REFERENCES:
patent: 4749680 (1988-06-01), Umeda et al.

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