G - Physics – 03 – C
Patent
G - Physics
03
C
G03C 1/76 (2006.01) G03C 1/825 (2006.01) G03C 1/91 (2006.01) G03C 1/30 (2006.01) G03C 1/83 (2006.01) G03C 1/95 (2006.01) G03F 7/115 (2006.01)
Patent
CA 2132493
A photographic element that is useful as an imaging master in the field of graphic arts is comprised of a dimensionally-stable polyester film having a radiation-sensitive silver halide emulsion layer on one side thereof and having on the opposite side, in order, a latex subbing layer and a backing layer. The backing layer is comprised of gelatin, a matting agent, a filter dye and a blocked gelatin- hardening agent. In the manufacture of the photographic element, a high temperature heating step is employed to activate the blocked gelatin-hardening agent and thereby harden the backing layer.
lément photographique pouvant servir d'original pour la reproduction d'images dans le domaine des arts graphiques, qui consiste en une pellicule de polyester aux dimensions stables enduite, d'un côté, d'une émulsion d'halogénure d'argent sensible aux radiations et, du côté opposé, dans l'ordre suivant, d'un substratum en latex et d'une couche dorsale. La couche dorsale comprend de la gélatine, un agent de matité, un colorant-filtre et un agent de durcissement inhibé sous forme de gélatine. Le processus de fabrication de l'élément photographique comprend une étape de traitement à haute température, qui active l'agent de durcissement inhibé et provoque le durcissement de la couche dorsale.
Anderson Charles Chester
Delaura Mario Dennis
Jennings David Francis
Onuh Benneth Chukwuemeka
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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