Self-duplicating paper product

Details Self-duplicating paper product Self-duplicating paper product

1992-01-30

1992-10-06

Schwartz, Pamela R.

Record receiver having plural interactive leaves or a colorless

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

Component noncoextensive with substrate

427152, 503226, B41M 5128

Patent

active

051531682

ABSTRACT:
In order, in a self-duplicating paper product, to block certain areas in their duplicating function, it is suggested that these particular areas of at least one paper surface bearing one of the two reaction components be coated with a barrier layer not permeable to the reaction components, whereby the barrier layer material leaves the reactivity of the reaction components as such essentially unaffected.

REFERENCES:
patent: 3906123 (1975-09-01), Vincent et al.
"Die Bedruckbarkeit von selbstdurchschreibenden Papieren in Bogen und Rolle", Der Polygraph, pp. 1167-1169, 1978.
"UV-Tronic Information", SICPA Druckfarben GmbH, Aug., 1991.

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