Performance of photographic emulsions at high silver ion concent

Details Performance of photographic emulsions at high silver ion concent Performance of photographic emulsions at high silver ion concent

1992-05-21

1999-11-23

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430577, 430581, 430603, 430605, 430608, 430642, G03C 1492, G03C 110

Patent

active

059897953

ABSTRACT:
This invention relates to a photographic recording material comprising a support and a photosensitive chemically sensitized silver halide emulsion layer, containing a sensitizing dye selected from the group consisting of oxonal dyes, merocyanine dyes, and cyanine dyes having a net negative charge, and which has a pH value between about 2 to about 5 and a pAg value between about 1 to about 4.7.

REFERENCES:
patent: 2493748 (1950-01-01), Brooker et al.
patent: 3271157 (1966-09-01), McBride
patent: 3647460 (1972-03-01), Hofman et al.
patent: 4590155 (1986-05-01), Klotzer
patent: 5057406 (1991-10-01), Usagawa et al.
Photographic Science Eng., 16, 1972, p. 413.
The Theory of the Photographic Process, 4th Edition, 1977, pp. 25-37.
Research Disclosure No. 15560, Mar. 1977.
W. L. Gardner et al, "Society of Photographic Scientists & Engineers", 1977, pp. 325-330.
T. H. James, "The Theory of the Photographic Process", 1977, pp. 156-158.
R. W. Swenson et al, "Photographic Science & Technique", 1956, pp. 162-166.
Research Disclosure No. 17643, Dec. 1978, pp. 22-31.

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