Photographic elements containing alkynylamine dopants

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing

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Details

430569, 430600, 430607, 430613, 430614, G03C 110

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active

053895100

ABSTRACT:
The present invention relates to a photographic element comprising a silver halide emulsion, the emulsion comprising silver halide grains which contain an alkynylamine dopant. The presence of the alkynylamine dopant imparts to the photographic element the advantageous characteristic of increased sensitivity.

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patent: 4378426 (1983-03-01), Lok et al.
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patent: 4576905 (1986-03-01), Gunther et al.
patent: 4933272 (1990-06-01), McDugle et al.
patent: 5252451 (1993-10-01), Bell
patent: 5256530 (1993-10-01), Bell

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