Protective top layer and photographic products containing this t

Details Protective top layer and photographic products containing this t Protective top layer and photographic products containing this t

1996-04-25

1999-09-07

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430631, 430531, 430637, G03C 176

Patent

active

059486066

ABSTRACT:
The present invention concerns a photographic material comprising, in addition to the conventional light-sensitive silver halide layers, a protective top layer.
According to the invention, the protective layer comprises, in combination, a surface-active fluorinated polyether and a vinyl polymer.
This protective top layer enables the appearance of marks during photographic processing to be prevented without modifying the sensitometric results.

REFERENCES:
patent: 2536764 (1951-01-01), Moulton
patent: 5037871 (1991-08-01), Jones
patent: 5073853 (1991-12-01), Steklenski et al.

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