Photographic printing paper support

Details Photographic printing paper support Photographic printing paper support

1997-09-05

1998-07-14

Letscher, Geraldine

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430523, 430536, 430537, G03C 1775

Patent

active

057802130

ABSTRACT:
Disclosed is a photographic printing paper support having waterproof resin layers on both sides of a substrate, with the waterproof resin layer on the emulsion-coated side comprising at least an upper layer containing from 5 to 25% by weight of titanium oxide and from 0 to 0.56% by weight of a blueing agent and a lower layer containing substantially no titanium oxide but containing from 0.05 to 0.60% by weight of a blueing agent, and wherein the upper layer contains less blueing agent than the lower layer.

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patent: 5429916 (1995-07-01), Ohshima
patent: 5466519 (1995-11-01), Shirakura et al.

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