Silver halide emulsions spectrally sensitized in the presence of

Details Silver halide emulsions spectrally sensitized in the presence of Silver halide emulsions spectrally sensitized in the presence of

1994-09-30

1996-07-16

Wright, Lee C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430570, 430613, 430567, 430572, G03C 118, G03C 129

Patent

active

055366341

ABSTRACT:
The invention provides a method of forming a spectrally sensitized emulsion comprising providing a silver bromoiodide emulsion, adding sensitizing dye ##STR1## X.sup.+ is a cation other than N-alkyl pyridinium, adding an N-alkyl pyridinium salt, and completing the heat cycle for sensitization.

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