Photographic material with improved properties

Details Photographic material with improved properties Photographic material with improved properties

1978-03-15

1980-07-01

Kelley, Mary F.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Stabilizing

430419, 430445, 430551, 430611, G03C 530, G03C 700

Patent

active

042107148

ABSTRACT:
Process for the preparation of silver images by imagewise exposure of a photographic material comprising at least one light-sensitive silver halide emulsion layer and treatment of the material with a developer composition, wherein the improvement comprises the development is carried out in the presence of 3-mercapto-5-(2-furyl)-1,2,4-triazole. The 3-mercapto-5-(2-furyl)-1,2,4-triazole decreases the fog during development, and when this is the first development in a black-and-white or color reversal process, increases the reversal silver or color density.

REFERENCES:
patent: 2327773 (1943-08-01), Dickey et al.
patent: 2364350 (1944-12-01), Dickey et al.
patent: 3137578 (1964-06-01), Selms
patent: 3577240 (1971-05-01), Nishio et al.
patent: 3591609 (1971-07-01), Silverman
patent: 3808005 (1974-04-01), Willems et al.
patent: 3945829 (1976-03-01), Zorn et al.

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