Method for hardening gelatin and silver halide photographic ligh

Details Method for hardening gelatin and silver halide photographic ligh Method for hardening gelatin and silver halide photographic ligh

1996-06-27

1997-09-16

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430621, 430623, 430640, 430642, G03C 130

Patent

active

056679602

ABSTRACT:
A method for hardening gelatin comprises the step of mixing gelatin with a compound represented by the following formula (I), (II) or (III): ##STR1## wherein R.sub.1 and R.sub.2 independently represent a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group or R.sub.1 and R.sub.2 combine with each other to form a nitrogen-containing heterocyclic ring; J represents an organic group; 1 represents an integer of 2 to 5; and m represents an integer of 1 to 5.

REFERENCES:
patent: 5411856 (1995-05-01), Riecke et al.

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