Process for producing tabular silver halide grains

Details Process for producing tabular silver halide grains Process for producing tabular silver halide grains

1997-10-31

1999-11-23

McPherson, John A.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430627, 430628, 430642, G03C 1035, G03C 1043, G03C 1047

Patent

active

059898003

ABSTRACT:
A process for producing tabular silver halide grains in a dispersion medium solution, wherein the dispersion medium comprises a gelatin derivative containing at least two carboxyl groups (--COOH) which are newly introduced through chemical modification of amino groups (--NH.sub.2) of gelatin molecule, thereby monodisperse tabular silver halide grains small in thickness and large in aspect ratio are provided.

REFERENCES:
patent: 3118766 (1964-01-01), Roth
patent: 4713320 (1987-12-01), Maskasky
patent: 5587281 (1996-12-01), Saitou et al.

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