Photographic elements containing alkynylamine dopants

Details Photographic elements containing alkynylamine dopants Photographic elements containing alkynylamine dopants

1993-12-16

1995-02-14

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

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

Patent

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.

REFERENCES:
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patent: 3782959 (1974-01-01), Bigelow
patent: 4115122 (1978-09-01), Adachi et al.
patent: 4150993 (1979-04-01), Suga et al.
patent: 4256830 (1981-03-01), Jager et al.
patent: 4378426 (1983-03-01), Lok et al.
patent: 4451557 (1984-05-01), Lok et al.
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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