Photographic support

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified backing or protective layer containing

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430534, G03C 1795, G03C 193

Patent

active

055567398

ABSTRACT:
A support for photographic use comprised of at least two polyester layers is disclosed, which comprises a first layer containing a first polyester and a second layer containing a second polyester adjacent to the first layer, the first polyester comprising a first monomer unit from a polyalkylene glycol and a second monomer unit from an aromatic dicarboxylic acid having a metal sulfonate group, wherein the difference between the second monomer unit content of the first polyester and that of the second polyester, .DELTA.SIP is not more than 5.5 mol %, the second monomer unit content being expressed based on the total content of monomer units from dicarboxylic acids contained in the polymer.

REFERENCES:
patent: 5071736 (1991-12-01), Ikenoue et al.
patent: 5360708 (1994-11-01), Takada et al.

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