Light sensitive silver halide element having photographic film b

Details Light sensitive silver halide element having photographic film b Light sensitive silver halide element having photographic film b

1993-07-21

1994-02-22

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430523, 428215, 428220, 428332, 428336, 428380, 428383, G03C 176

Patent

active

052886018

ABSTRACT:
The invention contemplates a light-sensitive silver halide photographic element having at least one silver halide containing emulsion layer on a film base, the film base being a coextruded laminate having a first layer and a second layer, the first layer being a polyester of an aromatic dicarboxylic acid or a dialkyl ester thereof and an alkylene glycol adjacent to the emulsion layer, the second layer being a polyester having a humidity expansion coefficient greater than 5.times.10.sup.-5 ##EQU1## (RH is relative humidity) and a Young's modulus at 50% relative humidity greater than 300 kPSI.

REFERENCES:
patent: 4252885 (1981-02-01), McGrail et al.
patent: 4304831 (1981-12-01), McGrail et al.
patent: 4585687 (1986-04-01), Posey et al.
patent: 4883706 (1989-11-01), Grosjean
patent: 5138024 (1992-08-01), Brozek

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