Silver halide emulsions containing fused dihydropyrimidines

Details Silver halide emulsions containing fused dihydropyrimidines Silver halide emulsions containing fused dihydropyrimidines

1994-12-23

1996-01-09

Wright, Lee C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, 430600, 430615, G03C 107, G03C 108, G03C 134

Patent

active

054828252

ABSTRACT:
A method of making a silver halide emulsion comprising precipitating and chemically sensitizing the emulsion and further comprising adding to the emulsion a fused dihydropyrimidine compound represented by the following formula: ##STR1## wherein X is O, S or Se; R is a substituted or unsubstituted alkyl or aryl group; and

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patent: 3923507 (1975-12-01), hlschlager et al.
patent: 4378426 (1983-03-01), Lok et al.
patent: 4451557 (1984-05-01), Lok et al.
patent: 5002865 (1991-03-01), Kumashiro et al.
patent: 5264338 (1993-11-01), Urabe et al.

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