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

1998-05-18

1999-10-26

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Disparate function simultaneous process step

430401, G03C 538

Patent

active

059725788

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.

REFERENCES:
patent: 3630744 (1971-12-01), Thiers et al.
patent: 4216285 (1980-08-01), Miller
patent: 4803150 (1989-02-01), Dickerson et al.
patent: 4954425 (1990-09-01), Iwano
patent: 5871890 (1999-02-01), Fitterman et al.

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