Positive-working, low silver wash-off contact film

Details Positive-working, low silver wash-off contact film Positive-working, low silver wash-off contact film

1992-02-27

1993-07-13

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430271, 430502, 430566, G03C 106

Patent

active

052272788

ABSTRACT:
A positive-working, low silver containing, wash-out element comprises a support, a fogged silver halide emulsion layer optionally containing a colorant, a photopolymer layer coated contiguous to silver halide layer and an abrasion layer containing a conventional, wash-out developing agent coated over the photopolymer layer. A process of making a positive image comprises image-wise exposing the above element to actinic radiation, immersing the element in an aqueous alkaline medium, and washing the element with water.

REFERENCES:
patent: 3718473 (1973-02-01), Gervey et al.
patent: 4923389 (1990-05-01), Held
patent: 4948701 (1990-08-01), Held
patent: 4960673 (1990-10-01), Beck et al.
patent: 4977057 (1990-12-01), Ishikawa et al.
patent: 4983489 (1991-01-01), Yamada et al.
patent: 4985339 (1991-01-01), Koizumi et al.
patent: 5037719 (1991-08-01), Nakamura

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