Color developer for pressure-sensitive recording paper

Details Color developer for pressure-sensitive recording paper Color developer for pressure-sensitive recording paper

1989-12-08

1991-07-23

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Heavy metal reactant

106 21, 503211, 503212, 503214, 503216, 503325, 525506, B41M 5155, C09D 1100

Patent

active

050343700

ABSTRACT:
A color developer for pressure-sensitive recording paper is produced by admising components comprising:

REFERENCES:
patent: 4046941 (1977-09-01), Saito et al.
patent: 4806521 (1989-02-01), Umeda et al.

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