Dye image forming photographic element and processing to produce

Details Dye image forming photographic element and processing to produce Dye image forming photographic element and processing to produce

1998-07-17

1999-08-31

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified backing or protective layer containing

430357, 430531, G03C 177

Patent

active

059452668

ABSTRACT:
Increased speed with minimal halation is provided by a photographic element having a specularly reflective silver mirror coating coated between a hydrophilic colloid containing crosslinking sites forming an undercoat and a silver halide emulsion layer unit containing a hydrophilic colloid having crosslinking sites, radiation-sensitive silver halide grains, and a dye image-forming compound.
Following imagewise exposure, photographic processing is conducted by (1) developing the photographic element with a color developing agent to create a dye image, (2) converting to silver halide the silver mirror coating and the silver produced by development, and (3) fixing the photographic element while concurrently crosslinking the hydrophilic colloid contained in the emulsion layer unit to the hydrophilic colloid contained in the undercoat.

REFERENCES:
patent: 4948719 (1990-08-01), Koike et al.
Research Disclosure, vol. 389, Sep. 1996, Item 39857, IVIII.
Research Disclosure, vol. 389, Sep. 1996, Item 38957, XIX.
Product Licensing Index, Vo. 92, Dec. 1971, Item 9232.

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