In situ film hardening with aldehyde bisulfite and nonhardening

Details In situ film hardening with aldehyde bisulfite and nonhardening In situ film hardening with aldehyde bisulfite and nonhardening

1983-10-11

1985-04-09

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430523, 260117, G03C 130

Patent

active

045102376

ABSTRACT:
A hardened photographic film is formed as a result of in situ generation of hardener by incorporating an aldehyde bisulfite in one layer and a nonhardening aldehyde in an adjacent layer. Preferred aldehyde bisulfite is glutaraldehyde bisulfite and preferred nonhardening aldehyde is orthosulfobenzaldehyde.

REFERENCES:
patent: 2165241 (1939-07-01), Sheppard
patent: 2591542 (1952-04-01), Harriman
patent: 3232761 (1966-02-01), Allen et al.

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