Partially pressure-sensitive recording paper

Details Partially pressure-sensitive recording paper Partially pressure-sensitive recording paper

1987-02-24

1988-11-08

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Component noncoextensive with substrate

427150, 428211, 428914, 503208, 503213, 503215, B41M 522

Patent

active

047834382

ABSTRACT:
Disclosed herein is a partially pressure-sensitive recording paper on which an ink has been applied partially, the ink having been prepared by uniformly dispersing microcapsules having a solution of a colorless electron-donating dyestuff as the core material, a thermally melting solid substance and an organic solvent having a mean boiling point of from 250.degree. to 350.degree. C. and a content of aromatic ring carbon of more than 25% while restraining the weight ratio of the solvent to the solid substance and the weight ratio of the solid substance to the microcapsules respectively in a prescribed range.

REFERENCES:
patent: 4640847 (1987-02-01), Okada et al.

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