Carbonless paper for use in electrostatographic copiers

Details Carbonless paper for use in electrostatographic copiers Carbonless paper for use in electrostatographic copiers

1976-11-26

1977-09-06

Van Balen, William J.

Textiles: manufacturing

428307, 428327, 428488, 428914, B41L 136, B32B 300

Patent

active

040464040

ABSTRACT:
Disclosed is a carbonless paper suitable for use in electrostatographic copiers. The paper comprises a base sheet of paper making fibers having uniformly dispersed therein from about 0.05 to 10 weight percent of hollow, generally spherical particles ranging in diameter from about 1/2 to 200 microns in diameter. These particles serve the purpose of increasing the stiffness and caliper of the paper sheet. The carbonless paper also contains a color forming material encapsulated in discrete particles and/or a color developing material.

REFERENCES:
patent: 3790435 (1974-02-01), Tanaba et al.
patent: 3868298 (1975-02-01), Schrade
patent: 3955025 (1976-05-01), Matsukawa et al.
patent: 3963851 (1976-06-01), Toyoda
patent: 4003589 (1977-01-01), Konishi et al.

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