Color-developing sheet for no-carbon copying process

Details Color-developing sheet for no-carbon copying process Color-developing sheet for no-carbon copying process

1979-11-28

1981-10-27

Hess, Bruce H.

Textiles: manufacturing

427150, 427151, 428328, 428537, 428914, B41M 516, B41M 522

Patent

active

042969484

ABSTRACT:
A color-developing sheet for use in no-carbon copying system, which contains a layer of a combination of a solid acid with an acidic polymer is improved in preventing yellowing during the preservation thereof, in giving high color intensity and stability to image formed, by incorporating titanium dioxide into the layer.

REFERENCES:
patent: 4054718 (1977-10-01), Garner et al.

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