Pressure-sensitive record system

Recorders – Record receiver deforming

Patent

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Details

4285375, 428342, 346226, 346209, 428487, B41M 522

Patent

active

044484453

ABSTRACT:
A pressure sensitive copy system comprising a plurality of sheets in superposed relationship in which at least one sheet comprises a semi-translucent support bearing either an autogenous layer or a color-developer layer and at least one other sheet comprises a support bearing the other of such layers. The autogenous layer comprises microcapsules and electron-acceptor material in which the microcapsules contain chromogenic material sufficient to form a visible image in the autogenous layer and in the color-developer layer.

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patent: 4012554 (1977-03-01), Miller et al.
patent: 4096314 (1978-06-01), Cespon
patent: 4109047 (1978-08-01), Fredrickson
patent: 4121961 (1978-10-01), Brunette et al.
patent: 4137046 (1979-01-01), Koike et al.
patent: 4139218 (1979-02-01), Davis et al.
patent: 4170483 (1979-10-01), Shackle et al.
patent: 4327148 (1982-04-01), Toyama et al.

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