Waterproof photographic paper

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

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Details

430538, 430935, 430942, 427 44, 428323, 428481, G03C 176, B05D 306

Patent

active

043840400

ABSTRACT:
A waterproof paper support having a photographic emulsion which is coated on both sides with a waterproof synthetic resin. The coating which carries the photographic emulsion preferably is a prepolymer of an unsaturated polyester resin which can be polymerized by electron bombardment. This coating contains at least 20% by weight of a white light-reflecting pigment having a particle size in excess of 0.1 micron.

REFERENCES:
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patent: 3021214 (1962-02-01), Murphy et al.
patent: 3658620 (1972-04-01), Hall
patent: 3770491 (1973-11-01), Spoor et al.
patent: 3963798 (1976-06-01), Miller
patent: 4057657 (1977-11-01), Garnett et al.
patent: 4091050 (1978-05-01), McDonald
patent: 4145480 (1979-03-01), Kusama et al.

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