Yellow dye-containing developing/fixing monobath and method for

Details Yellow dye-containing developing/fixing monobath and method for Yellow dye-containing developing/fixing monobath and method for

1999-04-09

2000-02-08

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Fixer

430486, G03C 538

Patent

active

060226757

ABSTRACT:
Black-and-white elements, such as radiographic films, can be processed in roomlight using a developing/fixing monobath composition that also includes a water-soluble colorant, such as a water-soluble "yellow" dye, that provides safelight conditions in the processing composition. The processing method is carried out quickly, that is within 120 seconds. The colorant has a maximum absorption wavelength of from about 350 to about 500 nm, and is transparent in solution.

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patent: 3687662 (1972-08-01), Willems et al.
patent: 4216285 (1980-08-01), Miller
patent: 4803150 (1989-02-01), Dickerson et al.
patent: 4954425 (1990-09-01), Iwano

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