Method of producing chemically self-copying or self-containing p

Details Method of producing chemically self-copying or self-containing p Method of producing chemically self-copying or self-containing p

1989-07-14

1990-09-18

Schwartz, Pamela R.

Coating processes

Transfer or copy sheet making

Coating opposite sides or forming plural or nonuniform coats

427150, 503200, 503226, B41M 516

Patent

active

049577786

ABSTRACT:
A chemically self-copying paper intended for use in the combinations of a top sheet (CB), bottom sheet (CF) and one or more interleaving sheets (CFB) or a chemically copying, self-containing paper. The paper is formed of two fiber layers manufactured in separate wire sections and couched together while wet. The wire side of the upper fiber layer and the top surface of the lower fiber layer are couched together. The components inducing the color reaction are contained in the upper fiber layer which has been in contact with a smooth-surfaced press roll during the production of the paper.

REFERENCES:
patent: 3565753 (1971-02-01), Yurkowitz
patent: 4496961 (1985-07-01), Devrient
patent: 4629630 (1986-04-01), Devrient

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