Antistain agent or antistain agent precursor in photographic sil

Details Antistain agent or antistain agent precursor in photographic sil Antistain agent or antistain agent precursor in photographic sil

1981-06-22

1982-08-24

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Multilayer

430405, 430428, 430448, 430495, 430539, 430566, 430610, 430955, G03C 106, G03C 148

Patent

active

043461549

ABSTRACT:
A stain retarding concentration of a phosphine antistain agent or phosphine antistain agent precursor in the undercoat layer of a photographic silver halide element comprising a support having thereon (a) a photographic silver halide gelatino emulsion layer, and (b) an undercoat layer between the emulsion layer and the support, provides reduced stain in the element upon exposure and processing. The photographic element preferably comprises a silver halide developing agent. The photographic element, after exposure, is preferably processed by means of an aqueous alkaline activator bath and then an aqueous thiosulfate stabilizer bath.

REFERENCES:
patent: 3578449 (1971-05-01), Bloom et al.
patent: 3640713 (1972-02-01), Buckler et al.
patent: 3904415 (1975-09-01), Oftedahl
patent: 4138256 (1979-02-01), Chylewski et al.

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