Halftone imaging silver halide emulsions, photographic...

Details Halftone imaging silver halide emulsions, photographic... Halftone imaging silver halide emulsions, photographic...

G - Physics

03

C

96/140, 260/467.

G03C 1/34 (2006.01) G03C 1/06 (2006.01) G03C 1/485 (2006.01)

Patent

CA 1244465

HALFTONE IMAGING SILVER HALIDE EMULSIONS, PHOTOGRAPHIC ELEMENTS, AND PROCESSES WHICH EMPLOY NOVEL ARYLHYDRAZIDES Abstract of the Disclosure An unballasted arylhydrazide is disclosed the aryl moiety of which is substituted with a group of the formula Image where one of X and X' represents -NH-, the other represents a divalent chalcogen, and R represents an aliphatic or aromatic residue. The arylhydrazides, when applied to halftone imaging in conjunction with silver halide emulsions, photographic elements, and imaging processes, produce images of improved dot quality and low levels of pepper fog.

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