Coated pressure sensitive copying paper

Details Coated pressure sensitive copying paper Coated pressure sensitive copying paper

1973-12-17

1976-04-20

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

106 21, 427145, 428150, 427325, B41M 512, B41M 516, B41M 522

Patent

active

039521290

ABSTRACT:
A color-forming composition and recording sheets embodying the composition are disclosed, wherein the color-forming composition comprises: (a) a leuco dye, (b) an aromatic secondary amine or derivative thereof and (c) an organic solvent.

REFERENCES:
patent: 2546167 (1951-03-01), Salvin et al.
patent: 2567130 (1951-09-01), Smith
patent: 2666790 (1954-01-01), Williams et al.
patent: 2691565 (1954-10-01), Berardinelli et al.
patent: 2764467 (1956-09-01), Salvin et al.
patent: 3536517 (1970-10-01), Van Der Heuvel et al.
patent: 3773542 (1973-11-01), Hayashi et al.

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