Photographic material for continuous tone reproduction

Details Photographic material for continuous tone reproduction Photographic material for continuous tone reproduction

G - Physics

03

C

96/28

G03C 8/06 (2006.01) G03C 1/42 (2006.01) G03C 5/30 (2006.01)

Patent

CA 1124127

Abstract of the Disclosure A photographic material suited for use in the silver complex diffusion transfer process, said material comprising a hydrophilic colloid silver halide emulsion layer in which the silver halide comprises a mixture of silver chloride and silver iodide and/or silver bromide, at least 90 mole % based on the total mole of the silver halide being silver chloride and the ratio by weight of hydrophilic colloid to silver halide expressed as silver nitrate being between about 3:1 and about 10:1, wherein said silver halide is in operative relationship with a mixture of developing agents comprising an 0-dihydroxybenzene and a 3-pyrazolidinone, the molar amount of the 0-dihydroxybenzene in said mixture being larger than the molar amount of the 3-pyrazolidinone. GV.1004 PCT

316226

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