Non-smudging pressure-sensitive copying material

Details Non-smudging pressure-sensitive copying material Non-smudging pressure-sensitive copying material

1974-06-28

1976-01-20

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

252316, 427144, B41M 500, B41M 502

Patent

active

039340694

ABSTRACT:
A pressure-sensitive copying material consisting of a sheet-like base to which has been applied a coating comprising microcapsules containing dyes. The microcapsules are filled with a solution or suspension of a salt of a dye base and an organic carboxylic acid in an organic water-immiscible solvent. The copying material is distinguished by exceptional non-smudging characteristics and is particularly suitable for the production of business forms.

REFERENCES:
patent: 2348128 (1944-05-01), Groak
patent: 2927041 (1960-03-01), Davis
patent: 3418250 (1968-12-01), Vassiliades
patent: 3689302 (1972-09-01), Kubo et al.
patent: 3843383 (1974-10-01), Ishige et al.

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