Negative working low silver wash-off contact film

Details Negative working low silver wash-off contact film Negative working low silver wash-off contact film

1988-04-29

1990-05-08

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430270, 430281, 430292, G03C 106, G03C 168, G03C 1727

Patent

active

049233890

ABSTRACT:
Negative-working, silver wash-off element comprising, in order, (a) support, (b) photosensitive layer comprising silver halide and hydrophilic macromolecular organic polymer dispersion medium including a dispersed phase of a monomer compound and photoinitiator, and (c) an abrasion overcoat layer. In another embodiment, the wash-off element has between the support and abrasion overcoat layer, nearer the support a layer comprising binder, colorant and photosensitive silver halide and a photosensitive layer comprising silver halide and said hydrophilic macromolecular organic polymer dispersion medium including said dispersed phase. The wash-off element is useful for the preparation of half-tone images.

REFERENCES:
patent: 3718473 (1973-02-01), Gervay et al.
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patent: 4029509 (1977-06-01), Blake
patent: 4047956 (1977-09-01), Blake
patent: 4124389 (1978-11-01), Hoornstra
patent: 4174216 (1979-11-01), Cohen et al.
patent: 4254210 (1981-03-01), Van Stappen
patent: 4456676 (1984-06-01), Ciskowski
patent: 4557997 (1985-12-01), Iwasaki et al.
Plambeck et al., "Camera-Speed Photopolymer Compositions", J. Imaging Science, 1986, 221-223.

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